Home / 805,950,922.34-1,209,153,131.67-288,454,934.18

Finding the Fourth Proportional to 805,950,922.34, 1,209,153,131.67 and 288,454,934.18

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Solution

The fourth proportional to 805,950,922.34, 1,209,153,131.67 and 288,454,934.18 is: 432,763,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,950,922.34 : 1,209,153,131.67 = 288,454,934.18 : x
  2. Step 2: Convert to fraction form
    805,950,922.34/1,209,153,131.67 = 288,454,934.18/x
  3. Step 3: Cross multiply
    805,950,922.34x = 1,209,153,131.67 × 288,454,934.18
  4. Step 4: Simplify right side
    805,950,922.34x = 348,786,187,013,500,928
  5. Step 5: Solve for x
    x = 348,786,187,013,500,928/805,950,922.34
  6. Step 6: Final answer
    x = 432,763,555.87

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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.