Home / 646,928,046.36-970,828,697.76-253,406,061.18

Finding the Fourth Proportional to 646,928,046.36, 970,828,697.76 and 253,406,061.18

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Solution

The fourth proportional to 646,928,046.36, 970,828,697.76 and 253,406,061.18 is: 380,280,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,928,046.36 : 970,828,697.76 = 253,406,061.18 : x
  2. Step 2: Convert to fraction form
    646,928,046.36/970,828,697.76 = 253,406,061.18/x
  3. Step 3: Cross multiply
    646,928,046.36x = 970,828,697.76 × 253,406,061.18
  4. Step 4: Simplify right side
    646,928,046.36x = 246,013,876,379,870,304
  5. Step 5: Solve for x
    x = 246,013,876,379,870,304/646,928,046.36
  6. Step 6: Final answer
    x = 380,280,121.98

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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.