Home / 712,616,740.55-1,067,533,524.27-338,592,356.82

Finding the Fourth Proportional to 712,616,740.55, 1,067,533,524.27 and 338,592,356.82

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Solution

The fourth proportional to 712,616,740.55, 1,067,533,524.27 and 338,592,356.82 is: 507,227,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,616,740.55 : 1,067,533,524.27 = 338,592,356.82 : x
  2. Step 2: Convert to fraction form
    712,616,740.55/1,067,533,524.27 = 338,592,356.82/x
  3. Step 3: Cross multiply
    712,616,740.55x = 1,067,533,524.27 × 338,592,356.82
  4. Step 4: Simplify right side
    712,616,740.55x = 361,458,691,966,939,968
  5. Step 5: Solve for x
    x = 361,458,691,966,939,968/712,616,740.55
  6. Step 6: Final answer
    x = 507,227,337.50

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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.