Home / 1,461,463,614.90-2,192,195,422.35-685,187,746.20

Finding the Fourth Proportional to 1,461,463,614.90, 2,192,195,422.35 and 685,187,746.20

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Solution

The fourth proportional to 1,461,463,614.90, 2,192,195,422.35 and 685,187,746.20 is: 1,027,781,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,463,614.90 : 2,192,195,422.35 = 685,187,746.20 : x
  2. Step 2: Convert to fraction form
    1,461,463,614.90/2,192,195,422.35 = 685,187,746.20/x
  3. Step 3: Cross multiply
    1,461,463,614.90x = 2,192,195,422.35 × 685,187,746.20
  4. Step 4: Simplify right side
    1,461,463,614.90x = 1,502,065,440,669,953,536
  5. Step 5: Solve for x
    x = 1,502,065,440,669,953,536/1,461,463,614.90
  6. Step 6: Final answer
    x = 1,027,781,619.30

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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.