Home / 7,389,639,819.28-10,197,621,680.40-4,002,464,841.04

Finding the Fourth Proportional to 7,389,639,819.28, 10,197,621,680.40 and 4,002,464,841.04

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Solution

The fourth proportional to 7,389,639,819.28, 10,197,621,680.40 and 4,002,464,841.04 is: 5,523,357,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389,639,819.28 : 10,197,621,680.40 = 4,002,464,841.04 : x
  2. Step 2: Convert to fraction form
    7,389,639,819.28/10,197,621,680.40 = 4,002,464,841.04/x
  3. Step 3: Cross multiply
    7,389,639,819.28x = 10,197,621,680.40 × 4,002,464,841.04
  4. Step 4: Simplify right side
    7,389,639,819.28x = 40,815,622,238,028,242,944
  5. Step 5: Solve for x
    x = 40,815,622,238,028,242,944/7,389,639,819.28
  6. Step 6: Final answer
    x = 5,523,357,462.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.