Home / 503,319,315.78-755,005,878-158,299,847.10

Finding the Fourth Proportional to 503,319,315.78, 755,005,878 and 158,299,847.10

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Solution

The fourth proportional to 503,319,315.78, 755,005,878 and 158,299,847.10 is: 237,458,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,319,315.78 : 755,005,878 = 158,299,847.10 : x
  2. Step 2: Convert to fraction form
    503,319,315.78/755,005,878 = 158,299,847.10/x
  3. Step 3: Cross multiply
    503,319,315.78x = 755,005,878 × 158,299,847.10
  4. Step 4: Simplify right side
    503,319,315.78x = 119,517,315,047,001,248
  5. Step 5: Solve for x
    x = 119,517,315,047,001,248/503,319,315.78
  6. Step 6: Final answer
    x = 237,458,232.38

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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.