Home / 42,602,856,534.30-63,904,284,801.45-19,338,495,318.30

Finding the Fourth Proportional to 42,602,856,534.30, 63,904,284,801.45 and 19,338,495,318.30

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Solution

The fourth proportional to 42,602,856,534.30, 63,904,284,801.45 and 19,338,495,318.30 is: 29,007,742,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,602,856,534.30 : 63,904,284,801.45 = 19,338,495,318.30 : x
  2. Step 2: Convert to fraction form
    42,602,856,534.30/63,904,284,801.45 = 19,338,495,318.30/x
  3. Step 3: Cross multiply
    42,602,856,534.30x = 63,904,284,801.45 × 19,338,495,318.30
  4. Step 4: Simplify right side
    42,602,856,534.30x = 1,235,812,712,452,150,525,952
  5. Step 5: Solve for x
    x = 1,235,812,712,452,150,525,952/42,602,856,534.30
  6. Step 6: Final answer
    x = 29,007,742,977.45

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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.