Home / 472,764,347.43-710,222,691.39-342,009,932.19

Finding the Fourth Proportional to 472,764,347.43, 710,222,691.39 and 342,009,932.19

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Solution

The fourth proportional to 472,764,347.43, 710,222,691.39 and 342,009,932.19 is: 513,793,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,764,347.43 : 710,222,691.39 = 342,009,932.19 : x
  2. Step 2: Convert to fraction form
    472,764,347.43/710,222,691.39 = 342,009,932.19/x
  3. Step 3: Cross multiply
    472,764,347.43x = 710,222,691.39 × 342,009,932.19
  4. Step 4: Simplify right side
    472,764,347.43x = 242,903,214,520,079,648
  5. Step 5: Solve for x
    x = 242,903,214,520,079,648/472,764,347.43
  6. Step 6: Final answer
    x = 513,793,427.62

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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.