Home / 7,128,766,266.90-10,693,149,400.35-6,516,042,350.10

Finding the Fourth Proportional to 7,128,766,266.90, 10,693,149,400.35 and 6,516,042,350.10

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Solution

The fourth proportional to 7,128,766,266.90, 10,693,149,400.35 and 6,516,042,350.10 is: 9,774,063,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,766,266.90 : 10,693,149,400.35 = 6,516,042,350.10 : x
  2. Step 2: Convert to fraction form
    7,128,766,266.90/10,693,149,400.35 = 6,516,042,350.10/x
  3. Step 3: Cross multiply
    7,128,766,266.90x = 10,693,149,400.35 × 6,516,042,350.10
  4. Step 4: Simplify right side
    7,128,766,266.90x = 69,677,014,348,627,025,920
  5. Step 5: Solve for x
    x = 69,677,014,348,627,025,920/7,128,766,266.90
  6. Step 6: Final answer
    x = 9,774,063,525.15

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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.