Home / 949,051,535.32-1,422,572,861.04-431,845,181.20

Finding the Fourth Proportional to 949,051,535.32, 1,422,572,861.04 and 431,845,181.20

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Solution

The fourth proportional to 949,051,535.32, 1,422,572,861.04 and 431,845,181.20 is: 647,310,722.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,051,535.32 : 1,422,572,861.04 = 431,845,181.20 : x
  2. Step 2: Convert to fraction form
    949,051,535.32/1,422,572,861.04 = 431,845,181.20/x
  3. Step 3: Cross multiply
    949,051,535.32x = 1,422,572,861.04 × 431,845,181.20
  4. Step 4: Simplify right side
    949,051,535.32x = 614,331,234,946,021,248
  5. Step 5: Solve for x
    x = 614,331,234,946,021,248/949,051,535.32
  6. Step 6: Final answer
    x = 647,310,722.42

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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.