Home / 1,180,981,385.60-1,771,472,078.40-404,368,937.60

Finding the Fourth Proportional to 1,180,981,385.60, 1,771,472,078.40 and 404,368,937.60

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Solution

The fourth proportional to 1,180,981,385.60, 1,771,472,078.40 and 404,368,937.60 is: 606,553,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,981,385.60 : 1,771,472,078.40 = 404,368,937.60 : x
  2. Step 2: Convert to fraction form
    1,180,981,385.60/1,771,472,078.40 = 404,368,937.60/x
  3. Step 3: Cross multiply
    1,180,981,385.60x = 1,771,472,078.40 × 404,368,937.60
  4. Step 4: Simplify right side
    1,180,981,385.60x = 716,328,282,330,672,000
  5. Step 5: Solve for x
    x = 716,328,282,330,672,000/1,180,981,385.60
  6. Step 6: Final answer
    x = 606,553,406.40

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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.