Home / 468,173,627.79-646,079,550.96-280,001,892.57

Finding the Fourth Proportional to 468,173,627.79, 646,079,550.96 and 280,001,892.57

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Solution

The fourth proportional to 468,173,627.79, 646,079,550.96 and 280,001,892.57 is: 386,402,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,173,627.79 : 646,079,550.96 = 280,001,892.57 : x
  2. Step 2: Convert to fraction form
    468,173,627.79/646,079,550.96 = 280,001,892.57/x
  3. Step 3: Cross multiply
    468,173,627.79x = 646,079,550.96 × 280,001,892.57
  4. Step 4: Simplify right side
    468,173,627.79x = 180,903,497,019,575,776
  5. Step 5: Solve for x
    x = 180,903,497,019,575,776/468,173,627.79
  6. Step 6: Final answer
    x = 386,402,578.62

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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.