Home / 699,897,641.40-1,049,846,462.10-440,270,998.20

Finding the Fourth Proportional to 699,897,641.40, 1,049,846,462.10 and 440,270,998.20

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Solution

The fourth proportional to 699,897,641.40, 1,049,846,462.10 and 440,270,998.20 is: 660,406,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,897,641.40 : 1,049,846,462.10 = 440,270,998.20 : x
  2. Step 2: Convert to fraction form
    699,897,641.40/1,049,846,462.10 = 440,270,998.20/x
  3. Step 3: Cross multiply
    699,897,641.40x = 1,049,846,462.10 × 440,270,998.20
  4. Step 4: Simplify right side
    699,897,641.40x = 462,216,949,825,505,472
  5. Step 5: Solve for x
    x = 462,216,949,825,505,472/699,897,641.40
  6. Step 6: Final answer
    x = 660,406,497.30

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Double scale
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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.