Home / 677,333,775.68-935,121,346.92-426,653,043.86

Finding the Fourth Proportional to 677,333,775.68, 935,121,346.92 and 426,653,043.86

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Solution

The fourth proportional to 677,333,775.68, 935,121,346.92 and 426,653,043.86 is: 589,033,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,333,775.68 : 935,121,346.92 = 426,653,043.86 : x
  2. Step 2: Convert to fraction form
    677,333,775.68/935,121,346.92 = 426,653,043.86/x
  3. Step 3: Cross multiply
    677,333,775.68x = 935,121,346.92 × 426,653,043.86
  4. Step 4: Simplify right side
    677,333,775.68x = 398,972,369,041,881,024
  5. Step 5: Solve for x
    x = 398,972,369,041,881,024/677,333,775.68
  6. Step 6: Final answer
    x = 589,033,624.73

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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.