Home / 313,073,152.20-469,161,830.70-230,548,019.40

Finding the Fourth Proportional to 313,073,152.20, 469,161,830.70 and 230,548,019.40

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Solution

The fourth proportional to 313,073,152.20, 469,161,830.70 and 230,548,019.40 is: 345,492,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,073,152.20 : 469,161,830.70 = 230,548,019.40 : x
  2. Step 2: Convert to fraction form
    313,073,152.20/469,161,830.70 = 230,548,019.40/x
  3. Step 3: Cross multiply
    313,073,152.20x = 469,161,830.70 × 230,548,019.40
  4. Step 4: Simplify right side
    313,073,152.20x = 108,164,330,845,963,120
  5. Step 5: Solve for x
    x = 108,164,330,845,963,120/313,073,152.20
  6. Step 6: Final answer
    x = 345,492,195.95

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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.