Home / 674,260,703.28-1,011,391,445.64-189,586,511.28

Finding the Fourth Proportional to 674,260,703.28, 1,011,391,445.64 and 189,586,511.28

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Solution

The fourth proportional to 674,260,703.28, 1,011,391,445.64 and 189,586,511.28 is: 284,379,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,260,703.28 : 1,011,391,445.64 = 189,586,511.28 : x
  2. Step 2: Convert to fraction form
    674,260,703.28/1,011,391,445.64 = 189,586,511.28/x
  3. Step 3: Cross multiply
    674,260,703.28x = 1,011,391,445.64 × 189,586,511.28
  4. Step 4: Simplify right side
    674,260,703.28x = 191,746,175,717,323,360
  5. Step 5: Solve for x
    x = 191,746,175,717,323,360/674,260,703.28
  6. Step 6: Final answer
    x = 284,379,876.78

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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.