Home / 866,752,617.36-1,196,103,527.88-527,538,477.24

Finding the Fourth Proportional to 866,752,617.36, 1,196,103,527.88 and 527,538,477.24

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Solution

The fourth proportional to 866,752,617.36, 1,196,103,527.88 and 527,538,477.24 is: 727,993,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,752,617.36 : 1,196,103,527.88 = 527,538,477.24 : x
  2. Step 2: Convert to fraction form
    866,752,617.36/1,196,103,527.88 = 527,538,477.24/x
  3. Step 3: Cross multiply
    866,752,617.36x = 1,196,103,527.88 × 527,538,477.24
  4. Step 4: Simplify right side
    866,752,617.36x = 630,990,633,719,207,168
  5. Step 5: Solve for x
    x = 630,990,633,719,207,168/866,752,617.36
  6. Step 6: Final answer
    x = 727,993,917.85

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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.