Home / 743,254,738.40-1,114,882,107.60-258,580,546.40

Finding the Fourth Proportional to 743,254,738.40, 1,114,882,107.60 and 258,580,546.40

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Solution

The fourth proportional to 743,254,738.40, 1,114,882,107.60 and 258,580,546.40 is: 387,870,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,254,738.40 : 1,114,882,107.60 = 258,580,546.40 : x
  2. Step 2: Convert to fraction form
    743,254,738.40/1,114,882,107.60 = 258,580,546.40/x
  3. Step 3: Cross multiply
    743,254,738.40x = 1,114,882,107.60 × 258,580,546.40
  4. Step 4: Simplify right side
    743,254,738.40x = 288,286,824,554,791,552
  5. Step 5: Solve for x
    x = 288,286,824,554,791,552/743,254,738.40
  6. Step 6: Final answer
    x = 387,870,819.60

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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.