Home / 953,115,837.12-1,314,921,631.88-551,155,311.88

Finding the Fourth Proportional to 953,115,837.12, 1,314,921,631.88 and 551,155,311.88

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Solution

The fourth proportional to 953,115,837.12, 1,314,921,631.88 and 551,155,311.88 is: 760,375,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,115,837.12 : 1,314,921,631.88 = 551,155,311.88 : x
  2. Step 2: Convert to fraction form
    953,115,837.12/1,314,921,631.88 = 551,155,311.88/x
  3. Step 3: Cross multiply
    953,115,837.12x = 1,314,921,631.88 × 551,155,311.88
  4. Step 4: Simplify right side
    953,115,837.12x = 724,726,042,116,579,968
  5. Step 5: Solve for x
    x = 724,726,042,116,579,968/953,115,837.12
  6. Step 6: Final answer
    x = 760,375,616.36

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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.