Home / 379,887,943,521.32-569,850,240,694.54-124,911,681,877.64

Finding the Fourth Proportional to 379,887,943,521.32, 569,850,240,694.54 and 124,911,681,877.64

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Solution

The fourth proportional to 379,887,943,521.32, 569,850,240,694.54 and 124,911,681,877.64 is: 187,373,548,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,887,943,521.32 : 569,850,240,694.54 = 124,911,681,877.64 : x
  2. Step 2: Convert to fraction form
    379,887,943,521.32/569,850,240,694.54 = 124,911,681,877.64/x
  3. Step 3: Cross multiply
    379,887,943,521.32x = 569,850,240,694.54 × 124,911,681,877.64
  4. Step 4: Simplify right side
    379,887,943,521.32x = 71,180,951,983,532,971,917,312
  5. Step 5: Solve for x
    x = 71,180,951,983,532,971,917,312/379,887,943,521.32
  6. Step 6: Final answer
    x = 187,373,548,430.44

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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.