Home / 388,242,374.13-582,375,518.55-169,780,265.06

Finding the Fourth Proportional to 388,242,374.13, 582,375,518.55 and 169,780,265.06

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Solution

The fourth proportional to 388,242,374.13, 582,375,518.55 and 169,780,265.06 is: 254,675,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,242,374.13 : 582,375,518.55 = 169,780,265.06 : x
  2. Step 2: Convert to fraction form
    388,242,374.13/582,375,518.55 = 169,780,265.06/x
  3. Step 3: Cross multiply
    388,242,374.13x = 582,375,518.55 × 169,780,265.06
  4. Step 4: Simplify right side
    388,242,374.13x = 98,875,869,900,962,064
  5. Step 5: Solve for x
    x = 98,875,869,900,962,064/388,242,374.13
  6. Step 6: Final answer
    x = 254,675,626.59

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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.