Home / 1,294,170,801.90-1,941,256,202.85-880,922,280.30

Finding the Fourth Proportional to 1,294,170,801.90, 1,941,256,202.85 and 880,922,280.30

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Solution

The fourth proportional to 1,294,170,801.90, 1,941,256,202.85 and 880,922,280.30 is: 1,321,383,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,170,801.90 : 1,941,256,202.85 = 880,922,280.30 : x
  2. Step 2: Convert to fraction form
    1,294,170,801.90/1,941,256,202.85 = 880,922,280.30/x
  3. Step 3: Cross multiply
    1,294,170,801.90x = 1,941,256,202.85 × 880,922,280.30
  4. Step 4: Simplify right side
    1,294,170,801.90x = 1,710,095,840,861,141,248
  5. Step 5: Solve for x
    x = 1,710,095,840,861,141,248/1,294,170,801.90
  6. Step 6: Final answer
    x = 1,321,383,420.45

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Half scale
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Double scale
Find fourth proportional to 1,294,170,802.90, 1,941,256,204.35 and 880,922,281.30
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.