Home / 805,950,923.85-1,209,153,133.92-288,454,935.69

Finding the Fourth Proportional to 805,950,923.85, 1,209,153,133.92 and 288,454,935.69

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Solution

The fourth proportional to 805,950,923.85, 1,209,153,133.92 and 288,454,935.69 is: 432,763,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,950,923.85 : 1,209,153,133.92 = 288,454,935.69 : x
  2. Step 2: Convert to fraction form
    805,950,923.85/1,209,153,133.92 = 288,454,935.69/x
  3. Step 3: Cross multiply
    805,950,923.85x = 1,209,153,133.92 × 288,454,935.69
  4. Step 4: Simplify right side
    805,950,923.85x = 348,786,189,484,255,552
  5. Step 5: Solve for x
    x = 348,786,189,484,255,552/805,950,923.85
  6. Step 6: Final answer
    x = 432,763,558.13

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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.