Home / 917,577,425,872.95-1,266,258,103,487.70-500,432,279,566

Finding the Fourth Proportional to 917,577,425,872.95, 1,266,258,103,487.70 and 500,432,279,566

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Solution

The fourth proportional to 917,577,425,872.95, 1,266,258,103,487.70 and 500,432,279,566 is: 690,597,230,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,577,425,872.95 : 1,266,258,103,487.70 = 500,432,279,566 : x
  2. Step 2: Convert to fraction form
    917,577,425,872.95/1,266,258,103,487.70 = 500,432,279,566/x
  3. Step 3: Cross multiply
    917,577,425,872.95x = 1,266,258,103,487.70 × 500,432,279,566
  4. Step 4: Simplify right side
    917,577,425,872.95x = 633,676,429,247,269,616,746,496
  5. Step 5: Solve for x
    x = 633,676,429,247,269,616,746,496/917,577,425,872.95
  6. Step 6: Final answer
    x = 690,597,230,685.37

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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.