Home / 865,254,074.40-1,194,049,006.92-468,786,917.76

Finding the Fourth Proportional to 865,254,074.40, 1,194,049,006.92 and 468,786,917.76

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Solution

The fourth proportional to 865,254,074.40, 1,194,049,006.92 and 468,786,917.76 is: 646,925,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,254,074.40 : 1,194,049,006.92 = 468,786,917.76 : x
  2. Step 2: Convert to fraction form
    865,254,074.40/1,194,049,006.92 = 468,786,917.76/x
  3. Step 3: Cross multiply
    865,254,074.40x = 1,194,049,006.92 × 468,786,917.76
  4. Step 4: Simplify right side
    865,254,074.40x = 559,754,553,608,415,744
  5. Step 5: Solve for x
    x = 559,754,553,608,415,744/865,254,074.40
  6. Step 6: Final answer
    x = 646,925,071.11

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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.