Home / 687,240,119.10-1,030,860,178.65-250,555,049.40

Finding the Fourth Proportional to 687,240,119.10, 1,030,860,178.65 and 250,555,049.40

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Solution

The fourth proportional to 687,240,119.10, 1,030,860,178.65 and 250,555,049.40 is: 375,832,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,240,119.10 : 1,030,860,178.65 = 250,555,049.40 : x
  2. Step 2: Convert to fraction form
    687,240,119.10/1,030,860,178.65 = 250,555,049.40/x
  3. Step 3: Cross multiply
    687,240,119.10x = 1,030,860,178.65 × 250,555,049.40
  4. Step 4: Simplify right side
    687,240,119.10x = 258,287,222,986,143,584
  5. Step 5: Solve for x
    x = 258,287,222,986,143,584/687,240,119.10
  6. Step 6: Final answer
    x = 375,832,574.10

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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.