Home / 838,978,319.49-1,258,102,057.17-240,583,952.69

Finding the Fourth Proportional to 838,978,319.49, 1,258,102,057.17 and 240,583,952.69

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Solution

The fourth proportional to 838,978,319.49, 1,258,102,057.17 and 240,583,952.69 is: 360,771,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,978,319.49 : 1,258,102,057.17 = 240,583,952.69 : x
  2. Step 2: Convert to fraction form
    838,978,319.49/1,258,102,057.17 = 240,583,952.69/x
  3. Step 3: Cross multiply
    838,978,319.49x = 1,258,102,057.17 × 240,583,952.69
  4. Step 4: Simplify right side
    838,978,319.49x = 302,679,165,801,378,944
  5. Step 5: Solve for x
    x = 302,679,165,801,378,944/838,978,319.49
  6. Step 6: Final answer
    x = 360,771,141.24

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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.