Home / 401,990,512.20-602,985,768.30-159,653,416.20

Finding the Fourth Proportional to 401,990,512.20, 602,985,768.30 and 159,653,416.20

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Solution

The fourth proportional to 401,990,512.20, 602,985,768.30 and 159,653,416.20 is: 239,480,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,990,512.20 : 602,985,768.30 = 159,653,416.20 : x
  2. Step 2: Convert to fraction form
    401,990,512.20/602,985,768.30 = 159,653,416.20/x
  3. Step 3: Cross multiply
    401,990,512.20x = 602,985,768.30 × 159,653,416.20
  4. Step 4: Simplify right side
    401,990,512.20x = 96,268,737,829,076,656
  5. Step 5: Solve for x
    x = 96,268,737,829,076,656/401,990,512.20
  6. Step 6: Final answer
    x = 239,480,124.30

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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.