Home / 538,920,651.48-743,720,184.78-316,063,070.11

Finding the Fourth Proportional to 538,920,651.48, 743,720,184.78 and 316,063,070.11

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Solution

The fourth proportional to 538,920,651.48, 743,720,184.78 and 316,063,070.11 is: 436,172,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,920,651.48 : 743,720,184.78 = 316,063,070.11 : x
  2. Step 2: Convert to fraction form
    538,920,651.48/743,720,184.78 = 316,063,070.11/x
  3. Step 3: Cross multiply
    538,920,651.48x = 743,720,184.78 × 316,063,070.11
  4. Step 4: Simplify right side
    538,920,651.48x = 235,062,484,904,087,712
  5. Step 5: Solve for x
    x = 235,062,484,904,087,712/538,920,651.48
  6. Step 6: Final answer
    x = 436,172,717.19

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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.