Home / 1,415,137,335.52-2,122,198,386-541,984,188.64

Finding the Fourth Proportional to 1,415,137,335.52, 2,122,198,386 and 541,984,188.64

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Solution

The fourth proportional to 1,415,137,335.52, 2,122,198,386 and 541,984,188.64 is: 812,781,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,137,335.52 : 2,122,198,386 = 541,984,188.64 : x
  2. Step 2: Convert to fraction form
    1,415,137,335.52/2,122,198,386 = 541,984,188.64/x
  3. Step 3: Cross multiply
    1,415,137,335.52x = 2,122,198,386 × 541,984,188.64
  4. Step 4: Simplify right side
    1,415,137,335.52x = 1,150,197,970,369,327,488
  5. Step 5: Solve for x
    x = 1,150,197,970,369,327,488/1,415,137,335.52
  6. Step 6: Final answer
    x = 812,781,870.35

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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.