Home / 7,121,510,057.87-9,827,591,152.75-4,069,651,613.39

Finding the Fourth Proportional to 7,121,510,057.87, 9,827,591,152.75 and 4,069,651,613.39

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Solution

The fourth proportional to 7,121,510,057.87, 9,827,591,152.75 and 4,069,651,613.39 is: 5,616,066,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,510,057.87 : 9,827,591,152.75 = 4,069,651,613.39 : x
  2. Step 2: Convert to fraction form
    7,121,510,057.87/9,827,591,152.75 = 4,069,651,613.39/x
  3. Step 3: Cross multiply
    7,121,510,057.87x = 9,827,591,152.75 × 4,069,651,613.39
  4. Step 4: Simplify right side
    7,121,510,057.87x = 39,994,872,190,583,570,432
  5. Step 5: Solve for x
    x = 39,994,872,190,583,570,432/7,121,510,057.87
  6. Step 6: Final answer
    x = 5,616,066,236.73

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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.