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Finding the Fourth Proportional to 453,632,003.80, 680,448,005.70 and 399,884,291.80

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Solution

The fourth proportional to 453,632,003.80, 680,448,005.70 and 399,884,291.80 is: 599,826,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,632,003.80 : 680,448,005.70 = 399,884,291.80 : x
  2. Step 2: Convert to fraction form
    453,632,003.80/680,448,005.70 = 399,884,291.80/x
  3. Step 3: Cross multiply
    453,632,003.80x = 680,448,005.70 × 399,884,291.80
  4. Step 4: Simplify right side
    453,632,003.80x = 272,100,468,866,066,880
  5. Step 5: Solve for x
    x = 272,100,468,866,066,880/453,632,003.80
  6. Step 6: Final answer
    x = 599,826,437.70

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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.