Home / 1,240,278,690.02-1,860,690,447.81-366,811,962.57

Finding the Fourth Proportional to 1,240,278,690.02, 1,860,690,447.81 and 366,811,962.57

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Solution

The fourth proportional to 1,240,278,690.02, 1,860,690,447.81 and 366,811,962.57 is: 550,298,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,278,690.02 : 1,860,690,447.81 = 366,811,962.57 : x
  2. Step 2: Convert to fraction form
    1,240,278,690.02/1,860,690,447.81 = 366,811,962.57/x
  3. Step 3: Cross multiply
    1,240,278,690.02x = 1,860,690,447.81 × 366,811,962.57
  4. Step 4: Simplify right side
    1,240,278,690.02x = 682,523,514,896,438,272
  5. Step 5: Solve for x
    x = 682,523,514,896,438,272/1,240,278,690.02
  6. Step 6: Final answer
    x = 550,298,509.84

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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.