Home / 640,060,364.10-960,090,546.15-442,789,464.90

Finding the Fourth Proportional to 640,060,364.10, 960,090,546.15 and 442,789,464.90

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Solution

The fourth proportional to 640,060,364.10, 960,090,546.15 and 442,789,464.90 is: 664,184,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,060,364.10 : 960,090,546.15 = 442,789,464.90 : x
  2. Step 2: Convert to fraction form
    640,060,364.10/960,090,546.15 = 442,789,464.90/x
  3. Step 3: Cross multiply
    640,060,364.10x = 960,090,546.15 × 442,789,464.90
  4. Step 4: Simplify right side
    640,060,364.10x = 425,117,979,185,307,200
  5. Step 5: Solve for x
    x = 425,117,979,185,307,200/640,060,364.10
  6. Step 6: Final answer
    x = 664,184,197.35

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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.