Home / 808,932,281.80-1,213,747,984.66-435,003,116.78

Finding the Fourth Proportional to 808,932,281.80, 1,213,747,984.66 and 435,003,116.78

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Solution

The fourth proportional to 808,932,281.80, 1,213,747,984.66 and 435,003,116.78 is: 652,692,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,932,281.80 : 1,213,747,984.66 = 435,003,116.78 : x
  2. Step 2: Convert to fraction form
    808,932,281.80/1,213,747,984.66 = 435,003,116.78/x
  3. Step 3: Cross multiply
    808,932,281.80x = 1,213,747,984.66 × 435,003,116.78
  4. Step 4: Simplify right side
    808,932,281.80x = 527,984,156,312,543,616
  5. Step 5: Solve for x
    x = 527,984,156,312,543,616/808,932,281.80
  6. Step 6: Final answer
    x = 652,692,652.02

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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.