Home / 878,414,558.98-1,317,575,432.57-288,127,043.87

Finding the Fourth Proportional to 878,414,558.98, 1,317,575,432.57 and 288,127,043.87

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Solution

The fourth proportional to 878,414,558.98, 1,317,575,432.57 and 288,127,043.87 is: 432,175,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,414,558.98 : 1,317,575,432.57 = 288,127,043.87 : x
  2. Step 2: Convert to fraction form
    878,414,558.98/1,317,575,432.57 = 288,127,043.87/x
  3. Step 3: Cross multiply
    878,414,558.98x = 1,317,575,432.57 × 288,127,043.87
  4. Step 4: Simplify right side
    878,414,558.98x = 379,629,114,461,520,128
  5. Step 5: Solve for x
    x = 379,629,114,461,520,128/878,414,558.98
  6. Step 6: Final answer
    x = 432,175,344.30

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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.