Home / 379,887,943,516.32-569,850,240,687.04-124,911,681,872.64

Finding the Fourth Proportional to 379,887,943,516.32, 569,850,240,687.04 and 124,911,681,872.64

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Solution

The fourth proportional to 379,887,943,516.32, 569,850,240,687.04 and 124,911,681,872.64 is: 187,373,548,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,887,943,516.32 : 569,850,240,687.04 = 124,911,681,872.64 : x
  2. Step 2: Convert to fraction form
    379,887,943,516.32/569,850,240,687.04 = 124,911,681,872.64/x
  3. Step 3: Cross multiply
    379,887,943,516.32x = 569,850,240,687.04 × 124,911,681,872.64
  4. Step 4: Simplify right side
    379,887,943,516.32x = 71,180,951,979,746,882,748,416
  5. Step 5: Solve for x
    x = 71,180,951,979,746,882,748,416/379,887,943,516.32
  6. Step 6: Final answer
    x = 187,373,548,422.94

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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.