Home / 459,438,157.55-634,078,259.40-261,229,351.10

Finding the Fourth Proportional to 459,438,157.55, 634,078,259.40 and 261,229,351.10

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Solution

The fourth proportional to 459,438,157.55, 634,078,259.40 and 261,229,351.10 is: 360,526,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,438,157.55 : 634,078,259.40 = 261,229,351.10 : x
  2. Step 2: Convert to fraction form
    459,438,157.55/634,078,259.40 = 261,229,351.10/x
  3. Step 3: Cross multiply
    459,438,157.55x = 634,078,259.40 × 261,229,351.10
  4. Step 4: Simplify right side
    459,438,157.55x = 165,639,852,251,264,672
  5. Step 5: Solve for x
    x = 165,639,852,251,264,672/459,438,157.55
  6. Step 6: Final answer
    x = 360,526,981.77

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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.