Home / 653,050,421.12-901,209,549.12-359,695,003.52

Finding the Fourth Proportional to 653,050,421.12, 901,209,549.12 and 359,695,003.52

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Solution

The fourth proportional to 653,050,421.12, 901,209,549.12 and 359,695,003.52 is: 496,379,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,050,421.12 : 901,209,549.12 = 359,695,003.52 : x
  2. Step 2: Convert to fraction form
    653,050,421.12/901,209,549.12 = 359,695,003.52/x
  3. Step 3: Cross multiply
    653,050,421.12x = 901,209,549.12 × 359,695,003.52
  4. Step 4: Simplify right side
    653,050,421.12x = 324,160,571,942,976,000
  5. Step 5: Solve for x
    x = 324,160,571,942,976,000/653,050,421.12
  6. Step 6: Final answer
    x = 496,379,087.22

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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.