Home / 7,680,495,430.20-11,520,743,145.30-5,745,577,798.20

Finding the Fourth Proportional to 7,680,495,430.20, 11,520,743,145.30 and 5,745,577,798.20

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Solution

The fourth proportional to 7,680,495,430.20, 11,520,743,145.30 and 5,745,577,798.20 is: 8,618,366,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,495,430.20 : 11,520,743,145.30 = 5,745,577,798.20 : x
  2. Step 2: Convert to fraction form
    7,680,495,430.20/11,520,743,145.30 = 5,745,577,798.20/x
  3. Step 3: Cross multiply
    7,680,495,430.20x = 11,520,743,145.30 × 5,745,577,798.20
  4. Step 4: Simplify right side
    7,680,495,430.20x = 66,193,326,034,400,509,952
  5. Step 5: Solve for x
    x = 66,193,326,034,400,509,952/7,680,495,430.20
  6. Step 6: Final answer
    x = 8,618,366,697.30

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Double scale
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Similar ratio
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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.