Home / 799,272,029.10-1,198,908,043.65-764,834,652.30

Finding the Fourth Proportional to 799,272,029.10, 1,198,908,043.65 and 764,834,652.30

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Solution

The fourth proportional to 799,272,029.10, 1,198,908,043.65 and 764,834,652.30 is: 1,147,251,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,272,029.10 : 1,198,908,043.65 = 764,834,652.30 : x
  2. Step 2: Convert to fraction form
    799,272,029.10/1,198,908,043.65 = 764,834,652.30/x
  3. Step 3: Cross multiply
    799,272,029.10x = 1,198,908,043.65 × 764,834,652.30
  4. Step 4: Simplify right side
    799,272,029.10x = 916,966,416,704,721,024
  5. Step 5: Solve for x
    x = 916,966,416,704,721,024/799,272,029.10
  6. Step 6: Final answer
    x = 1,147,251,978.45

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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.