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Finding the Fourth Proportional to 532,224,698.40, 798,337,047.60 and 168,718,471.20

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Solution

The fourth proportional to 532,224,698.40, 798,337,047.60 and 168,718,471.20 is: 253,077,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,224,698.40 : 798,337,047.60 = 168,718,471.20 : x
  2. Step 2: Convert to fraction form
    532,224,698.40/798,337,047.60 = 168,718,471.20/x
  3. Step 3: Cross multiply
    532,224,698.40x = 798,337,047.60 × 168,718,471.20
  4. Step 4: Simplify right side
    532,224,698.40x = 134,694,206,173,393,616
  5. Step 5: Solve for x
    x = 134,694,206,173,393,616/532,224,698.40
  6. Step 6: Final answer
    x = 253,077,706.80

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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.