Home / 455,723,458.20-683,603,849.70-132,607,330.20

Finding the Fourth Proportional to 455,723,458.20, 683,603,849.70 and 132,607,330.20

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Solution

The fourth proportional to 455,723,458.20, 683,603,849.70 and 132,607,330.20 is: 198,916,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,723,458.20 : 683,603,849.70 = 132,607,330.20 : x
  2. Step 2: Convert to fraction form
    455,723,458.20/683,603,849.70 = 132,607,330.20/x
  3. Step 3: Cross multiply
    455,723,458.20x = 683,603,849.70 × 132,607,330.20
  4. Step 4: Simplify right side
    455,723,458.20x = 90,650,881,423,159,072
  5. Step 5: Solve for x
    x = 90,650,881,423,159,072/455,723,458.20
  6. Step 6: Final answer
    x = 198,916,425.72

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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.