Home / 865,897,966.04-1,298,708,688.48-252,338,673.56

Finding the Fourth Proportional to 865,897,966.04, 1,298,708,688.48 and 252,338,673.56

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Solution

The fourth proportional to 865,897,966.04, 1,298,708,688.48 and 252,338,673.56 is: 378,467,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,897,966.04 : 1,298,708,688.48 = 252,338,673.56 : x
  2. Step 2: Convert to fraction form
    865,897,966.04/1,298,708,688.48 = 252,338,673.56/x
  3. Step 3: Cross multiply
    865,897,966.04x = 1,298,708,688.48 × 252,338,673.56
  4. Step 4: Simplify right side
    865,897,966.04x = 327,714,427,791,890,432
  5. Step 5: Solve for x
    x = 327,714,427,791,890,432/865,897,966.04
  6. Step 6: Final answer
    x = 378,467,718.65

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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.