Home / 873,217,601.20-1,309,826,401.80-355,381,490.80

Finding the Fourth Proportional to 873,217,601.20, 1,309,826,401.80 and 355,381,490.80

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Solution

The fourth proportional to 873,217,601.20, 1,309,826,401.80 and 355,381,490.80 is: 533,072,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,217,601.20 : 1,309,826,401.80 = 355,381,490.80 : x
  2. Step 2: Convert to fraction form
    873,217,601.20/1,309,826,401.80 = 355,381,490.80/x
  3. Step 3: Cross multiply
    873,217,601.20x = 1,309,826,401.80 × 355,381,490.80
  4. Step 4: Simplify right side
    873,217,601.20x = 465,488,059,360,883,776
  5. Step 5: Solve for x
    x = 465,488,059,360,883,776/873,217,601.20
  6. Step 6: Final answer
    x = 533,072,236.20

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1.5x scale

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.