Home / 348,258,248.13-522,370,156.86-129,891,579.78

Finding the Fourth Proportional to 348,258,248.13, 522,370,156.86 and 129,891,579.78

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Solution

The fourth proportional to 348,258,248.13, 522,370,156.86 and 129,891,579.78 is: 194,830,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,258,248.13 : 522,370,156.86 = 129,891,579.78 : x
  2. Step 2: Convert to fraction form
    348,258,248.13/522,370,156.86 = 129,891,579.78/x
  3. Step 3: Cross multiply
    348,258,248.13x = 522,370,156.86 × 129,891,579.78
  4. Step 4: Simplify right side
    348,258,248.13x = 67,851,484,904,471,808
  5. Step 5: Solve for x
    x = 67,851,484,904,471,808/348,258,248.13
  6. Step 6: Final answer
    x = 194,830,948.78

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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.