Home / 453,296,959.20-679,945,438.80-443,219,263.20

Finding the Fourth Proportional to 453,296,959.20, 679,945,438.80 and 443,219,263.20

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Solution

The fourth proportional to 453,296,959.20, 679,945,438.80 and 443,219,263.20 is: 664,828,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,296,959.20 : 679,945,438.80 = 443,219,263.20 : x
  2. Step 2: Convert to fraction form
    453,296,959.20/679,945,438.80 = 443,219,263.20/x
  3. Step 3: Cross multiply
    453,296,959.20x = 679,945,438.80 × 443,219,263.20
  4. Step 4: Simplify right side
    453,296,959.20x = 301,364,916,401,136,640
  5. Step 5: Solve for x
    x = 301,364,916,401,136,640/453,296,959.20
  6. Step 6: Final answer
    x = 664,828,894.80

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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.