Home / 1,124,992,014.40-1,687,488,021.60-1,117,825,652.80

Finding the Fourth Proportional to 1,124,992,014.40, 1,687,488,021.60 and 1,117,825,652.80

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Solution

The fourth proportional to 1,124,992,014.40, 1,687,488,021.60 and 1,117,825,652.80 is: 1,676,738,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,992,014.40 : 1,687,488,021.60 = 1,117,825,652.80 : x
  2. Step 2: Convert to fraction form
    1,124,992,014.40/1,687,488,021.60 = 1,117,825,652.80/x
  3. Step 3: Cross multiply
    1,124,992,014.40x = 1,687,488,021.60 × 1,117,825,652.80
  4. Step 4: Simplify right side
    1,124,992,014.40x = 1,886,317,399,337,200,384
  5. Step 5: Solve for x
    x = 1,886,317,399,337,200,384/1,124,992,014.40
  6. Step 6: Final answer
    x = 1,676,738,479.20

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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.