Home / 1,235,711,023.20-1,853,566,534.80-653,220,194.40

Finding the Fourth Proportional to 1,235,711,023.20, 1,853,566,534.80 and 653,220,194.40

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Solution

The fourth proportional to 1,235,711,023.20, 1,853,566,534.80 and 653,220,194.40 is: 979,830,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,711,023.20 : 1,853,566,534.80 = 653,220,194.40 : x
  2. Step 2: Convert to fraction form
    1,235,711,023.20/1,853,566,534.80 = 653,220,194.40/x
  3. Step 3: Cross multiply
    1,235,711,023.20x = 1,853,566,534.80 × 653,220,194.40
  4. Step 4: Simplify right side
    1,235,711,023.20x = 1,210,787,092,195,390,208
  5. Step 5: Solve for x
    x = 1,210,787,092,195,390,208/1,235,711,023.20
  6. Step 6: Final answer
    x = 979,830,291.60

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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.