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Finding the Fourth Proportional to 533,479,807.56, 736,210,851.39 and 292,071,755.64

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Solution

The fourth proportional to 533,479,807.56, 736,210,851.39 and 292,071,755.64 is: 403,063,795.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,479,807.56 : 736,210,851.39 = 292,071,755.64 : x
  2. Step 2: Convert to fraction form
    533,479,807.56/736,210,851.39 = 292,071,755.64/x
  3. Step 3: Cross multiply
    533,479,807.56x = 736,210,851.39 × 292,071,755.64
  4. Step 4: Simplify right side
    533,479,807.56x = 215,026,395,886,696,416
  5. Step 5: Solve for x
    x = 215,026,395,886,696,416/533,479,807.56
  6. Step 6: Final answer
    x = 403,063,795.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.