Home / 1,409,026,807.25-1,944,403,723.56-782,535,591.48

Finding the Fourth Proportional to 1,409,026,807.25, 1,944,403,723.56 and 782,535,591.48

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Solution

The fourth proportional to 1,409,026,807.25, 1,944,403,723.56 and 782,535,591.48 is: 1,079,869,531.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,026,807.25 : 1,944,403,723.56 = 782,535,591.48 : x
  2. Step 2: Convert to fraction form
    1,409,026,807.25/1,944,403,723.56 = 782,535,591.48/x
  3. Step 3: Cross multiply
    1,409,026,807.25x = 1,944,403,723.56 × 782,535,591.48
  4. Step 4: Simplify right side
    1,409,026,807.25x = 1,521,565,117,891,939,072
  5. Step 5: Solve for x
    x = 1,521,565,117,891,939,072/1,409,026,807.25
  6. Step 6: Final answer
    x = 1,079,869,531.27

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.