Home / 1,396,764,345.60-2,094,390,691.20-578,959,315.20

Finding the Fourth Proportional to 1,396,764,345.60, 2,094,390,691.20 and 578,959,315.20

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Solution

The fourth proportional to 1,396,764,345.60, 2,094,390,691.20 and 578,959,315.20 is: 868,125,682.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,764,345.60 : 2,094,390,691.20 = 578,959,315.20 : x
  2. Step 2: Convert to fraction form
    1,396,764,345.60/2,094,390,691.20 = 578,959,315.20/x
  3. Step 3: Cross multiply
    1,396,764,345.60x = 2,094,390,691.20 × 578,959,315.20
  4. Step 4: Simplify right side
    1,396,764,345.60x = 1,212,567,000,338,406,912
  5. Step 5: Solve for x
    x = 1,212,567,000,338,406,912/1,396,764,345.60
  6. Step 6: Final answer
    x = 868,125,682.16

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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.