Home / 676,599,195,429.60-1,015,345,912,185.90-318,553,563,143.70

Finding the Fourth Proportional to 676,599,195,429.60, 1,015,345,912,185.90 and 318,553,563,143.70

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Solution

The fourth proportional to 676,599,195,429.60, 1,015,345,912,185.90 and 318,553,563,143.70 is: 478,040,855,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,599,195,429.60 : 1,015,345,912,185.90 = 318,553,563,143.70 : x
  2. Step 2: Convert to fraction form
    676,599,195,429.60/1,015,345,912,185.90 = 318,553,563,143.70/x
  3. Step 3: Cross multiply
    676,599,195,429.60x = 1,015,345,912,185.90 × 318,553,563,143.70
  4. Step 4: Simplify right side
    676,599,195,429.60x = 323,442,058,150,208,771,981,312
  5. Step 5: Solve for x
    x = 323,442,058,150,208,771,981,312/676,599,195,429.60
  6. Step 6: Final answer
    x = 478,040,855,406.05

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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.