Home / 705,885,280.20-1,058,827,920.30-318,464,791.20

Finding the Fourth Proportional to 705,885,280.20, 1,058,827,920.30 and 318,464,791.20

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Solution

The fourth proportional to 705,885,280.20, 1,058,827,920.30 and 318,464,791.20 is: 477,697,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,885,280.20 : 1,058,827,920.30 = 318,464,791.20 : x
  2. Step 2: Convert to fraction form
    705,885,280.20/1,058,827,920.30 = 318,464,791.20/x
  3. Step 3: Cross multiply
    705,885,280.20x = 1,058,827,920.30 × 318,464,791.20
  4. Step 4: Simplify right side
    705,885,280.20x = 337,199,412,555,069,696
  5. Step 5: Solve for x
    x = 337,199,412,555,069,696/705,885,280.20
  6. Step 6: Final answer
    x = 477,697,186.80

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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.