Home / 417,437,952.71-626,233,905.06-137,334,638.70

Finding the Fourth Proportional to 417,437,952.71, 626,233,905.06 and 137,334,638.70

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Solution

The fourth proportional to 417,437,952.71, 626,233,905.06 and 137,334,638.70 is: 206,027,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,437,952.71 : 626,233,905.06 = 137,334,638.70 : x
  2. Step 2: Convert to fraction form
    417,437,952.71/626,233,905.06 = 137,334,638.70/x
  3. Step 3: Cross multiply
    417,437,952.71x = 626,233,905.06 × 137,334,638.70
  4. Step 4: Simplify right side
    417,437,952.71x = 86,003,607,093,105,184
  5. Step 5: Solve for x
    x = 86,003,607,093,105,184/417,437,952.71
  6. Step 6: Final answer
    x = 206,027,282.70

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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.