Home / 475,149,278.76-712,725,246.80-147,672,677.36

Finding the Fourth Proportional to 475,149,278.76, 712,725,246.80 and 147,672,677.36

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Solution

The fourth proportional to 475,149,278.76, 712,725,246.80 and 147,672,677.36 is: 221,509,428.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,149,278.76 : 712,725,246.80 = 147,672,677.36 : x
  2. Step 2: Convert to fraction form
    475,149,278.76/712,725,246.80 = 147,672,677.36/x
  3. Step 3: Cross multiply
    475,149,278.76x = 712,725,246.80 × 147,672,677.36
  4. Step 4: Simplify right side
    475,149,278.76x = 105,250,045,417,022,768
  5. Step 5: Solve for x
    x = 105,250,045,417,022,768/475,149,278.76
  6. Step 6: Final answer
    x = 221,509,428.98

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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.