Home / 399,759,084.80-599,638,627.20-195,418,246.40

Finding the Fourth Proportional to 399,759,084.80, 599,638,627.20 and 195,418,246.40

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Solution

The fourth proportional to 399,759,084.80, 599,638,627.20 and 195,418,246.40 is: 293,127,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,759,084.80 : 599,638,627.20 = 195,418,246.40 : x
  2. Step 2: Convert to fraction form
    399,759,084.80/599,638,627.20 = 195,418,246.40/x
  3. Step 3: Cross multiply
    399,759,084.80x = 599,638,627.20 × 195,418,246.40
  4. Step 4: Simplify right side
    399,759,084.80x = 117,180,329,001,127,360
  5. Step 5: Solve for x
    x = 117,180,329,001,127,360/399,759,084.80
  6. Step 6: Final answer
    x = 293,127,369.60

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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.