Home / 659,680,878.20-988,891,461.30-245,046,673.40

Finding the Fourth Proportional to 659,680,878.20, 988,891,461.30 and 245,046,673.40

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Solution

The fourth proportional to 659,680,878.20, 988,891,461.30 and 245,046,673.40 is: 367,336,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,680,878.20 : 988,891,461.30 = 245,046,673.40 : x
  2. Step 2: Convert to fraction form
    659,680,878.20/988,891,461.30 = 245,046,673.40/x
  3. Step 3: Cross multiply
    659,680,878.20x = 988,891,461.30 × 245,046,673.40
  4. Step 4: Simplify right side
    659,680,878.20x = 242,324,562,945,229,824
  5. Step 5: Solve for x
    x = 242,324,562,945,229,824/659,680,878.20
  6. Step 6: Final answer
    x = 367,336,042.25

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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.