Home / 1,240,279,278.60-1,860,691,328.58-366,812,549.12

Finding the Fourth Proportional to 1,240,279,278.60, 1,860,691,328.58 and 366,812,549.12

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Solution

The fourth proportional to 1,240,279,278.60, 1,860,691,328.58 and 366,812,549.12 is: 550,299,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,279,278.60 : 1,860,691,328.58 = 366,812,549.12 : x
  2. Step 2: Convert to fraction form
    1,240,279,278.60/1,860,691,328.58 = 366,812,549.12/x
  3. Step 3: Cross multiply
    1,240,279,278.60x = 1,860,691,328.58 × 366,812,549.12
  4. Step 4: Simplify right side
    1,240,279,278.60x = 682,524,929,361,909,248
  5. Step 5: Solve for x
    x = 682,524,929,361,909,248/1,240,279,278.60
  6. Step 6: Final answer
    x = 550,299,389.13

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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.