Home / 695,472,023.10-1,043,208,034.65-642,918,704.70

Finding the Fourth Proportional to 695,472,023.10, 1,043,208,034.65 and 642,918,704.70

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Solution

The fourth proportional to 695,472,023.10, 1,043,208,034.65 and 642,918,704.70 is: 964,378,057.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,472,023.10 : 1,043,208,034.65 = 642,918,704.70 : x
  2. Step 2: Convert to fraction form
    695,472,023.10/1,043,208,034.65 = 642,918,704.70/x
  3. Step 3: Cross multiply
    695,472,023.10x = 1,043,208,034.65 × 642,918,704.70
  4. Step 4: Simplify right side
    695,472,023.10x = 670,697,958,369,810,816
  5. Step 5: Solve for x
    x = 670,697,958,369,810,816/695,472,023.10
  6. Step 6: Final answer
    x = 964,378,057.05

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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.