Home / 472,392,687.30-708,589,030.95-424,775,573.70

Finding the Fourth Proportional to 472,392,687.30, 708,589,030.95 and 424,775,573.70

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Solution

The fourth proportional to 472,392,687.30, 708,589,030.95 and 424,775,573.70 is: 637,163,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,687.30 : 708,589,030.95 = 424,775,573.70 : x
  2. Step 2: Convert to fraction form
    472,392,687.30/708,589,030.95 = 424,775,573.70/x
  3. Step 3: Cross multiply
    472,392,687.30x = 708,589,030.95 × 424,775,573.70
  4. Step 4: Simplify right side
    472,392,687.30x = 300,991,312,139,313,344
  5. Step 5: Solve for x
    x = 300,991,312,139,313,344/472,392,687.30
  6. Step 6: Final answer
    x = 637,163,360.55

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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.