Home / 459,438,156.80-634,078,258.37-261,229,350.35

Finding the Fourth Proportional to 459,438,156.80, 634,078,258.37 and 261,229,350.35

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Solution

The fourth proportional to 459,438,156.80, 634,078,258.37 and 261,229,350.35 is: 360,526,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,438,156.80 : 634,078,258.37 = 261,229,350.35 : x
  2. Step 2: Convert to fraction form
    459,438,156.80/634,078,258.37 = 261,229,350.35/x
  3. Step 3: Cross multiply
    459,438,156.80x = 634,078,258.37 × 261,229,350.35
  4. Step 4: Simplify right side
    459,438,156.80x = 165,639,851,505,333,600
  5. Step 5: Solve for x
    x = 165,639,851,505,333,600/459,438,156.80
  6. Step 6: Final answer
    x = 360,526,980.73

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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.