Home / 453,296,836.20-679,945,254.30-443,219,140.20

Finding the Fourth Proportional to 453,296,836.20, 679,945,254.30 and 443,219,140.20

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Solution

The fourth proportional to 453,296,836.20, 679,945,254.30 and 443,219,140.20 is: 664,828,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,296,836.20 : 679,945,254.30 = 443,219,140.20 : x
  2. Step 2: Convert to fraction form
    453,296,836.20/679,945,254.30 = 443,219,140.20/x
  3. Step 3: Cross multiply
    453,296,836.20x = 679,945,254.30 × 443,219,140.20
  4. Step 4: Simplify right side
    453,296,836.20x = 301,364,750,993,916,352
  5. Step 5: Solve for x
    x = 301,364,750,993,916,352/453,296,836.20
  6. Step 6: Final answer
    x = 664,828,710.30

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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.