Home / 511,488,002.40-767,232,003.60-307,246,696.80

Finding the Fourth Proportional to 511,488,002.40, 767,232,003.60 and 307,246,696.80

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Solution

The fourth proportional to 511,488,002.40, 767,232,003.60 and 307,246,696.80 is: 460,870,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,488,002.40 : 767,232,003.60 = 307,246,696.80 : x
  2. Step 2: Convert to fraction form
    511,488,002.40/767,232,003.60 = 307,246,696.80/x
  3. Step 3: Cross multiply
    511,488,002.40x = 767,232,003.60 × 307,246,696.80
  4. Step 4: Simplify right side
    511,488,002.40x = 235,729,498,785,345,728
  5. Step 5: Solve for x
    x = 235,729,498,785,345,728/511,488,002.40
  6. Step 6: Final answer
    x = 460,870,045.20

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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.