Home / 1,240,279,281.09-1,860,691,332.33-366,812,551.62

Finding the Fourth Proportional to 1,240,279,281.09, 1,860,691,332.33 and 366,812,551.62

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Solution

The fourth proportional to 1,240,279,281.09, 1,860,691,332.33 and 366,812,551.62 is: 550,299,392.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,279,281.09 : 1,860,691,332.33 = 366,812,551.62 : x
  2. Step 2: Convert to fraction form
    1,240,279,281.09/1,860,691,332.33 = 366,812,551.62/x
  3. Step 3: Cross multiply
    1,240,279,281.09x = 1,860,691,332.33 × 366,812,551.62
  4. Step 4: Simplify right side
    1,240,279,281.09x = 682,524,935,389,184,640
  5. Step 5: Solve for x
    x = 682,524,935,389,184,640/1,240,279,281.09
  6. Step 6: Final answer
    x = 550,299,392.88

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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.