Home / 907,482,638.20-1,358,956,475.70-726,084,110.20

Finding the Fourth Proportional to 907,482,638.20, 1,358,956,475.70 and 726,084,110.20

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Solution

The fourth proportional to 907,482,638.20, 1,358,956,475.70 and 726,084,110.20 is: 1,087,311,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,482,638.20 : 1,358,956,475.70 = 726,084,110.20 : x
  2. Step 2: Convert to fraction form
    907,482,638.20/1,358,956,475.70 = 726,084,110.20/x
  3. Step 3: Cross multiply
    907,482,638.20x = 1,358,956,475.70 × 726,084,110.20
  4. Step 4: Simplify right side
    907,482,638.20x = 986,716,703,459,162,496
  5. Step 5: Solve for x
    x = 986,716,703,459,162,496/907,482,638.20
  6. Step 6: Final answer
    x = 1,087,311,935.15

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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.