Home / 459,438,157.80-634,078,259.75-261,229,351.35

Finding the Fourth Proportional to 459,438,157.80, 634,078,259.75 and 261,229,351.35

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Solution

The fourth proportional to 459,438,157.80, 634,078,259.75 and 261,229,351.35 is: 360,526,982.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,438,157.80 : 634,078,259.75 = 261,229,351.35 : x
  2. Step 2: Convert to fraction form
    459,438,157.80/634,078,259.75 = 261,229,351.35/x
  3. Step 3: Cross multiply
    459,438,157.80x = 634,078,259.75 × 261,229,351.35
  4. Step 4: Simplify right side
    459,438,157.80x = 165,639,852,499,629,312
  5. Step 5: Solve for x
    x = 165,639,852,499,629,312/459,438,157.80
  6. Step 6: Final answer
    x = 360,526,982.11

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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.