Home / 1,216,655,543.40-1,824,983,315.10-807,711,693.90

Finding the Fourth Proportional to 1,216,655,543.40, 1,824,983,315.10 and 807,711,693.90

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Solution

The fourth proportional to 1,216,655,543.40, 1,824,983,315.10 and 807,711,693.90 is: 1,211,567,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,655,543.40 : 1,824,983,315.10 = 807,711,693.90 : x
  2. Step 2: Convert to fraction form
    1,216,655,543.40/1,824,983,315.10 = 807,711,693.90/x
  3. Step 3: Cross multiply
    1,216,655,543.40x = 1,824,983,315.10 × 807,711,693.90
  4. Step 4: Simplify right side
    1,216,655,543.40x = 1,474,060,364,778,658,304
  5. Step 5: Solve for x
    x = 1,474,060,364,778,658,304/1,216,655,543.40
  6. Step 6: Final answer
    x = 1,211,567,540.85

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Double scale
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Similar ratio
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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.