Home / 784,419,090.21-1,082,485,264.14-432,027,870.44

Finding the Fourth Proportional to 784,419,090.21, 1,082,485,264.14 and 432,027,870.44

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Solution

The fourth proportional to 784,419,090.21, 1,082,485,264.14 and 432,027,870.44 is: 596,191,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,419,090.21 : 1,082,485,264.14 = 432,027,870.44 : x
  2. Step 2: Convert to fraction form
    784,419,090.21/1,082,485,264.14 = 432,027,870.44/x
  3. Step 3: Cross multiply
    784,419,090.21x = 1,082,485,264.14 × 432,027,870.44
  4. Step 4: Simplify right side
    784,419,090.21x = 467,663,803,443,672,704
  5. Step 5: Solve for x
    x = 467,663,803,443,672,704/784,419,090.21
  6. Step 6: Final answer
    x = 596,191,257.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.