Home / 492,841,817.76-680,127,083.28-272,828,917.92

Finding the Fourth Proportional to 492,841,817.76, 680,127,083.28 and 272,828,917.92

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Solution

The fourth proportional to 492,841,817.76, 680,127,083.28 and 272,828,917.92 is: 376,506,882.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,841,817.76 : 680,127,083.28 = 272,828,917.92 : x
  2. Step 2: Convert to fraction form
    492,841,817.76/680,127,083.28 = 272,828,917.92/x
  3. Step 3: Cross multiply
    492,841,817.76x = 680,127,083.28 × 272,828,917.92
  4. Step 4: Simplify right side
    492,841,817.76x = 185,558,336,179,368,128
  5. Step 5: Solve for x
    x = 185,558,336,179,368,128/492,841,817.76
  6. Step 6: Final answer
    x = 376,506,882.11

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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.