Home / 468,173,622.20-646,079,543.28-280,001,887.02

Finding the Fourth Proportional to 468,173,622.20, 646,079,543.28 and 280,001,887.02

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Solution

The fourth proportional to 468,173,622.20, 646,079,543.28 and 280,001,887.02 is: 386,402,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,173,622.20 : 646,079,543.28 = 280,001,887.02 : x
  2. Step 2: Convert to fraction form
    468,173,622.20/646,079,543.28 = 280,001,887.02/x
  3. Step 3: Cross multiply
    468,173,622.20x = 646,079,543.28 × 280,001,887.02
  4. Step 4: Simplify right side
    468,173,622.20x = 180,903,491,283,419,744
  5. Step 5: Solve for x
    x = 180,903,491,283,419,744/468,173,622.20
  6. Step 6: Final answer
    x = 386,402,570.98

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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.