Home / 428,482,645.00-583,395,478.52-427,122,156.04

Finding the Fourth Proportional to 428,482,645.00, 583,395,478.52 and 427,122,156.04

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Solution

The fourth proportional to 428,482,645.00, 583,395,478.52 and 427,122,156.04 is: 581,543,120.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,482,645.00 : 583,395,478.52 = 427,122,156.04 : x
  2. Step 2: Convert to fraction form
    428,482,645.00/583,395,478.52 = 427,122,156.04/x
  3. Step 3: Cross multiply
    428,482,645.00x = 583,395,478.52 × 427,122,156.04
  4. Step 4: Simplify right side
    428,482,645.00x = 249,181,134,605,855,808
  5. Step 5: Solve for x
    x = 249,181,134,605,855,808/428,482,645.00
  6. Step 6: Final answer
    x = 581,543,120.86

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.