Home / 862,077,372-1,293,127,264.08-287,648,700

Finding the Fourth Proportional to 862,077,372, 1,293,127,264.08 and 287,648,700

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Solution

The fourth proportional to 862,077,372, 1,293,127,264.08 and 287,648,700 is: 431,476,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,077,372 : 1,293,127,264.08 = 287,648,700 : x
  2. Step 2: Convert to fraction form
    862,077,372/1,293,127,264.08 = 287,648,700/x
  3. Step 3: Cross multiply
    862,077,372x = 1,293,127,264.08 × 287,648,700
  4. Step 4: Simplify right side
    862,077,372x = 371,966,376,447,168,704
  5. Step 5: Solve for x
    x = 371,966,376,447,168,704/862,077,372
  6. Step 6: Final answer
    x = 431,476,789.12

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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.