Home / 1,155,861,543.60-1,736,623,470.60-869,207,079.60

Finding the Fourth Proportional to 1,155,861,543.60, 1,736,623,470.60 and 869,207,079.60

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Solution

The fourth proportional to 1,155,861,543.60, 1,736,623,470.60 and 869,207,079.60 is: 1,305,939,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,861,543.60 : 1,736,623,470.60 = 869,207,079.60 : x
  2. Step 2: Convert to fraction form
    1,155,861,543.60/1,736,623,470.60 = 869,207,079.60/x
  3. Step 3: Cross multiply
    1,155,861,543.60x = 1,736,623,470.60 × 869,207,079.60
  4. Step 4: Simplify right side
    1,155,861,543.60x = 1,509,485,415,245,042,432
  5. Step 5: Solve for x
    x = 1,509,485,415,245,042,432/1,155,861,543.60
  6. Step 6: Final answer
    x = 1,305,939,646.15

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Double scale
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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.