Home / 306,728,117.10-459,581,992.29-215,660,737.26

Finding the Fourth Proportional to 306,728,117.10, 459,581,992.29 and 215,660,737.26

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Solution

The fourth proportional to 306,728,117.10, 459,581,992.29 and 215,660,737.26 is: 323,132,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,728,117.10 : 459,581,992.29 = 215,660,737.26 : x
  2. Step 2: Convert to fraction form
    306,728,117.10/459,581,992.29 = 215,660,737.26/x
  3. Step 3: Cross multiply
    306,728,117.10x = 459,581,992.29 × 215,660,737.26
  4. Step 4: Simplify right side
    306,728,117.10x = 99,113,791,288,681,040
  5. Step 5: Solve for x
    x = 99,113,791,288,681,040/306,728,117.10
  6. Step 6: Final answer
    x = 323,132,395.64

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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.