Home / 379,887,943,520.32-569,850,240,693.04-124,911,681,876.64

Finding the Fourth Proportional to 379,887,943,520.32, 569,850,240,693.04 and 124,911,681,876.64

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Solution

The fourth proportional to 379,887,943,520.32, 569,850,240,693.04 and 124,911,681,876.64 is: 187,373,548,428.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,887,943,520.32 : 569,850,240,693.04 = 124,911,681,876.64 : x
  2. Step 2: Convert to fraction form
    379,887,943,520.32/569,850,240,693.04 = 124,911,681,876.64/x
  3. Step 3: Cross multiply
    379,887,943,520.32x = 569,850,240,693.04 × 124,911,681,876.64
  4. Step 4: Simplify right side
    379,887,943,520.32x = 71,180,951,982,775,749,050,368
  5. Step 5: Solve for x
    x = 71,180,951,982,775,749,050,368/379,887,943,520.32
  6. Step 6: Final answer
    x = 187,373,548,428.94

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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.