Home / 1,488,965,701.40-2,233,448,552.10-398,448,769.40

Finding the Fourth Proportional to 1,488,965,701.40, 2,233,448,552.10 and 398,448,769.40

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Solution

The fourth proportional to 1,488,965,701.40, 2,233,448,552.10 and 398,448,769.40 is: 597,673,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,965,701.40 : 2,233,448,552.10 = 398,448,769.40 : x
  2. Step 2: Convert to fraction form
    1,488,965,701.40/2,233,448,552.10 = 398,448,769.40/x
  3. Step 3: Cross multiply
    1,488,965,701.40x = 2,233,448,552.10 × 398,448,769.40
  4. Step 4: Simplify right side
    1,488,965,701.40x = 889,914,827,102,456,704
  5. Step 5: Solve for x
    x = 889,914,827,102,456,704/1,488,965,701.40
  6. Step 6: Final answer
    x = 597,673,154.10

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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.