Home / 1,230,336,101.80-1,845,504,152.70-647,272,959.40

Finding the Fourth Proportional to 1,230,336,101.80, 1,845,504,152.70 and 647,272,959.40

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Solution

The fourth proportional to 1,230,336,101.80, 1,845,504,152.70 and 647,272,959.40 is: 970,909,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,336,101.80 : 1,845,504,152.70 = 647,272,959.40 : x
  2. Step 2: Convert to fraction form
    1,230,336,101.80/1,845,504,152.70 = 647,272,959.40/x
  3. Step 3: Cross multiply
    1,230,336,101.80x = 1,845,504,152.70 × 647,272,959.40
  4. Step 4: Simplify right side
    1,230,336,101.80x = 1,194,544,934,503,118,592
  5. Step 5: Solve for x
    x = 1,194,544,934,503,118,592/1,230,336,101.80
  6. Step 6: Final answer
    x = 970,909,439.10

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Half scale
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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.