Home / 7,485,787,633.12-10,330,389,373.43-4,098,911,565.84

Finding the Fourth Proportional to 7,485,787,633.12, 10,330,389,373.43 and 4,098,911,565.84

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Solution

The fourth proportional to 7,485,787,633.12, 10,330,389,373.43 and 4,098,911,565.84 is: 5,656,499,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,787,633.12 : 10,330,389,373.43 = 4,098,911,565.84 : x
  2. Step 2: Convert to fraction form
    7,485,787,633.12/10,330,389,373.43 = 4,098,911,565.84/x
  3. Step 3: Cross multiply
    7,485,787,633.12x = 10,330,389,373.43 × 4,098,911,565.84
  4. Step 4: Simplify right side
    7,485,787,633.12x = 42,343,352,482,389,155,840
  5. Step 5: Solve for x
    x = 42,343,352,482,389,155,840/7,485,787,633.12
  6. Step 6: Final answer
    x = 5,656,499,296.75

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Double scale
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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.