Home / 341,657,999.40-512,486,999.10-225,431,852.70

Finding the Fourth Proportional to 341,657,999.40, 512,486,999.10 and 225,431,852.70

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Solution

The fourth proportional to 341,657,999.40, 512,486,999.10 and 225,431,852.70 is: 338,147,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,657,999.40 : 512,486,999.10 = 225,431,852.70 : x
  2. Step 2: Convert to fraction form
    341,657,999.40/512,486,999.10 = 225,431,852.70/x
  3. Step 3: Cross multiply
    341,657,999.40x = 512,486,999.10 × 225,431,852.70
  4. Step 4: Simplify right side
    341,657,999.40x = 115,530,893,691,776,224
  5. Step 5: Solve for x
    x = 115,530,893,691,776,224/341,657,999.40
  6. Step 6: Final answer
    x = 338,147,779.05

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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.