Home / 472,392,488.70-708,588,733.05-440,107,447.95

Finding the Fourth Proportional to 472,392,488.70, 708,588,733.05 and 440,107,447.95

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Solution

The fourth proportional to 472,392,488.70, 708,588,733.05 and 440,107,447.95 is: 660,161,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,488.70 : 708,588,733.05 = 440,107,447.95 : x
  2. Step 2: Convert to fraction form
    472,392,488.70/708,588,733.05 = 440,107,447.95/x
  3. Step 3: Cross multiply
    472,392,488.70x = 708,588,733.05 × 440,107,447.95
  4. Step 4: Simplify right side
    472,392,488.70x = 311,855,178,948,759,296
  5. Step 5: Solve for x
    x = 311,855,178,948,759,296/472,392,488.70
  6. Step 6: Final answer
    x = 660,161,171.93

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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.