Home / 1,488,428,012.79-2,232,471,660.65-397,996,111.35

Finding the Fourth Proportional to 1,488,428,012.79, 2,232,471,660.65 and 397,996,111.35

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Solution

The fourth proportional to 1,488,428,012.79, 2,232,471,660.65 and 397,996,111.35 is: 596,948,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,428,012.79 : 2,232,471,660.65 = 397,996,111.35 : x
  2. Step 2: Convert to fraction form
    1,488,428,012.79/2,232,471,660.65 = 397,996,111.35/x
  3. Step 3: Cross multiply
    1,488,428,012.79x = 2,232,471,660.65 × 397,996,111.35
  4. Step 4: Simplify right side
    1,488,428,012.79x = 888,515,039,637,776,896
  5. Step 5: Solve for x
    x = 888,515,039,637,776,896/1,488,428,012.79
  6. Step 6: Final answer
    x = 596,948,614.24

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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.