Home / 42,550,272,043.20-63,825,408,064.80-19,331,260,459.20

Finding the Fourth Proportional to 42,550,272,043.20, 63,825,408,064.80 and 19,331,260,459.20

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Solution

The fourth proportional to 42,550,272,043.20, 63,825,408,064.80 and 19,331,260,459.20 is: 28,996,890,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550,272,043.20 : 63,825,408,064.80 = 19,331,260,459.20 : x
  2. Step 2: Convert to fraction form
    42,550,272,043.20/63,825,408,064.80 = 19,331,260,459.20/x
  3. Step 3: Cross multiply
    42,550,272,043.20x = 63,825,408,064.80 × 19,331,260,459.20
  4. Step 4: Simplify right side
    42,550,272,043.20x = 1,233,825,587,215,373,172,736
  5. Step 5: Solve for x
    x = 1,233,825,587,215,373,172,736/42,550,272,043.20
  6. Step 6: Final answer
    x = 28,996,890,688.80

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1.5x scale

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.