Home / 1,008,907,710.90-1,513,361,566.35-281,896,422.90

Finding the Fourth Proportional to 1,008,907,710.90, 1,513,361,566.35 and 281,896,422.90

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Solution

The fourth proportional to 1,008,907,710.90, 1,513,361,566.35 and 281,896,422.90 is: 422,844,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,710.90 : 1,513,361,566.35 = 281,896,422.90 : x
  2. Step 2: Convert to fraction form
    1,008,907,710.90/1,513,361,566.35 = 281,896,422.90/x
  3. Step 3: Cross multiply
    1,008,907,710.90x = 1,513,361,566.35 × 281,896,422.90
  4. Step 4: Simplify right side
    1,008,907,710.90x = 426,611,212,108,405,952
  5. Step 5: Solve for x
    x = 426,611,212,108,405,952/1,008,907,710.90
  6. Step 6: Final answer
    x = 422,844,634.35

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Half scale
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Double scale
Find fourth proportional to 1,008,907,711.90, 1,513,361,567.85 and 281,896,423.90
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.