Home / 739,882,941.48-1,109,492,704.41-440,892,878.55

Finding the Fourth Proportional to 739,882,941.48, 1,109,492,704.41 and 440,892,878.55

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Solution

The fourth proportional to 739,882,941.48, 1,109,492,704.41 and 440,892,878.55 is: 661,141,654.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,882,941.48 : 1,109,492,704.41 = 440,892,878.55 : x
  2. Step 2: Convert to fraction form
    739,882,941.48/1,109,492,704.41 = 440,892,878.55/x
  3. Step 3: Cross multiply
    739,882,941.48x = 1,109,492,704.41 × 440,892,878.55
  4. Step 4: Simplify right side
    739,882,941.48x = 489,167,432,177,549,248
  5. Step 5: Solve for x
    x = 489,167,432,177,549,248/739,882,941.48
  6. Step 6: Final answer
    x = 661,141,654.65

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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.