Home / 1,739,142,693.40-2,607,820,431.90-512,151,712.60

Finding the Fourth Proportional to 1,739,142,693.40, 2,607,820,431.90 and 512,151,712.60

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Solution

The fourth proportional to 1,739,142,693.40, 2,607,820,431.90 and 512,151,712.60 is: 767,964,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,142,693.40 : 2,607,820,431.90 = 512,151,712.60 : x
  2. Step 2: Convert to fraction form
    1,739,142,693.40/2,607,820,431.90 = 512,151,712.60/x
  3. Step 3: Cross multiply
    1,739,142,693.40x = 2,607,820,431.90 × 512,151,712.60
  4. Step 4: Simplify right side
    1,739,142,693.40x = 1,335,599,700,350,856,704
  5. Step 5: Solve for x
    x = 1,335,599,700,350,856,704/1,739,142,693.40
  6. Step 6: Final answer
    x = 767,964,414.55

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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.