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Finding the Fourth Proportional to 636,497,436.84, 954,746,420.46 and 286,334,502.72

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Solution

The fourth proportional to 636,497,436.84, 954,746,420.46 and 286,334,502.72 is: 429,501,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,497,436.84 : 954,746,420.46 = 286,334,502.72 : x
  2. Step 2: Convert to fraction form
    636,497,436.84/954,746,420.46 = 286,334,502.72/x
  3. Step 3: Cross multiply
    636,497,436.84x = 954,746,420.46 × 286,334,502.72
  4. Step 4: Simplify right side
    636,497,436.84x = 273,376,841,526,114,176
  5. Step 5: Solve for x
    x = 273,376,841,526,114,176/636,497,436.84
  6. Step 6: Final answer
    x = 429,501,873.38

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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.