Home / 927,340,947.40-1,391,011,421.10-497,359,251.40

Finding the Fourth Proportional to 927,340,947.40, 1,391,011,421.10 and 497,359,251.40

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Solution

The fourth proportional to 927,340,947.40, 1,391,011,421.10 and 497,359,251.40 is: 746,038,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,340,947.40 : 1,391,011,421.10 = 497,359,251.40 : x
  2. Step 2: Convert to fraction form
    927,340,947.40/1,391,011,421.10 = 497,359,251.40/x
  3. Step 3: Cross multiply
    927,340,947.40x = 1,391,011,421.10 × 497,359,251.40
  4. Step 4: Simplify right side
    927,340,947.40x = 691,832,399,087,146,112
  5. Step 5: Solve for x
    x = 691,832,399,087,146,112/927,340,947.40
  6. Step 6: Final answer
    x = 746,038,877.10

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1.5x scale

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.