Home / 514,081,348.65-709,433,101.08-279,132,463.53

Finding the Fourth Proportional to 514,081,348.65, 709,433,101.08 and 279,132,463.53

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Solution

The fourth proportional to 514,081,348.65, 709,433,101.08 and 279,132,463.53 is: 385,203,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,081,348.65 : 709,433,101.08 = 279,132,463.53 : x
  2. Step 2: Convert to fraction form
    514,081,348.65/709,433,101.08 = 279,132,463.53/x
  3. Step 3: Cross multiply
    514,081,348.65x = 709,433,101.08 × 279,132,463.53
  4. Step 4: Simplify right side
    514,081,348.65x = 198,025,809,214,187,904
  5. Step 5: Solve for x
    x = 198,025,809,214,187,904/514,081,348.65
  6. Step 6: Final answer
    x = 385,203,255.74

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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.