Home / 497,625,840.80-746,388,363.12-134,156,938.40

Finding the Fourth Proportional to 497,625,840.80, 746,388,363.12 and 134,156,938.40

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Solution

The fourth proportional to 497,625,840.80, 746,388,363.12 and 134,156,938.40 is: 201,221,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,625,840.80 : 746,388,363.12 = 134,156,938.40 : x
  2. Step 2: Convert to fraction form
    497,625,840.80/746,388,363.12 = 134,156,938.40/x
  3. Step 3: Cross multiply
    497,625,840.80x = 746,388,363.12 × 134,156,938.40
  4. Step 4: Simplify right side
    497,625,840.80x = 100,133,177,653,566,672
  5. Step 5: Solve for x
    x = 100,133,177,653,566,672/497,625,840.80
  6. Step 6: Final answer
    x = 201,221,820.58

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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.