Home / 709,236,006.30-1,063,854,009.45-382,718,655.90

Finding the Fourth Proportional to 709,236,006.30, 1,063,854,009.45 and 382,718,655.90

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Solution

The fourth proportional to 709,236,006.30, 1,063,854,009.45 and 382,718,655.90 is: 574,077,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,236,006.30 : 1,063,854,009.45 = 382,718,655.90 : x
  2. Step 2: Convert to fraction form
    709,236,006.30/1,063,854,009.45 = 382,718,655.90/x
  3. Step 3: Cross multiply
    709,236,006.30x = 1,063,854,009.45 × 382,718,655.90
  4. Step 4: Simplify right side
    709,236,006.30x = 407,156,776,570,529,920
  5. Step 5: Solve for x
    x = 407,156,776,570,529,920/709,236,006.30
  6. Step 6: Final answer
    x = 574,077,983.85

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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.