Home / 640,200,575.20-883,477,660.08-346,845,134.56

Finding the Fourth Proportional to 640,200,575.20, 883,477,660.08 and 346,845,134.56

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Solution

The fourth proportional to 640,200,575.20, 883,477,660.08 and 346,845,134.56 is: 478,646,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,200,575.20 : 883,477,660.08 = 346,845,134.56 : x
  2. Step 2: Convert to fraction form
    640,200,575.20/883,477,660.08 = 346,845,134.56/x
  3. Step 3: Cross multiply
    640,200,575.20x = 883,477,660.08 × 346,845,134.56
  4. Step 4: Simplify right side
    640,200,575.20x = 306,429,927,891,201,536
  5. Step 5: Solve for x
    x = 306,429,927,891,201,536/640,200,575.20
  6. Step 6: Final answer
    x = 478,646,755.04

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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.