Home / 2,911,657,931.90-4,367,486,897.85-1,279,071,179.90

Finding the Fourth Proportional to 2,911,657,931.90, 4,367,486,897.85 and 1,279,071,179.90

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Solution

The fourth proportional to 2,911,657,931.90, 4,367,486,897.85 and 1,279,071,179.90 is: 1,918,606,769.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,657,931.90 : 4,367,486,897.85 = 1,279,071,179.90 : x
  2. Step 2: Convert to fraction form
    2,911,657,931.90/4,367,486,897.85 = 1,279,071,179.90/x
  3. Step 3: Cross multiply
    2,911,657,931.90x = 4,367,486,897.85 × 1,279,071,179.90
  4. Step 4: Simplify right side
    2,911,657,931.90x = 5,586,326,619,630,791,680
  5. Step 5: Solve for x
    x = 5,586,326,619,630,791,680/2,911,657,931.90
  6. Step 6: Final answer
    x = 1,918,606,769.85

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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.