Home / 878,414,558.92-1,317,575,432.47-288,127,043.81

Finding the Fourth Proportional to 878,414,558.92, 1,317,575,432.47 and 288,127,043.81

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Solution

The fourth proportional to 878,414,558.92, 1,317,575,432.47 and 288,127,043.81 is: 432,175,344.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,414,558.92 : 1,317,575,432.47 = 288,127,043.81 : x
  2. Step 2: Convert to fraction form
    878,414,558.92/1,317,575,432.47 = 288,127,043.81/x
  3. Step 3: Cross multiply
    878,414,558.92x = 1,317,575,432.47 × 288,127,043.81
  4. Step 4: Simplify right side
    878,414,558.92x = 379,629,114,354,263,424
  5. Step 5: Solve for x
    x = 379,629,114,354,263,424/878,414,558.92
  6. Step 6: Final answer
    x = 432,175,344.20

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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.