Home / 711,639,310.60-1,068,147,544.88-343,433,465.02

Finding the Fourth Proportional to 711,639,310.60, 1,068,147,544.88 and 343,433,465.02

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Solution

The fourth proportional to 711,639,310.60, 1,068,147,544.88 and 343,433,465.02 is: 515,482,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,639,310.60 : 1,068,147,544.88 = 343,433,465.02 : x
  2. Step 2: Convert to fraction form
    711,639,310.60/1,068,147,544.88 = 343,433,465.02/x
  3. Step 3: Cross multiply
    711,639,310.60x = 1,068,147,544.88 × 343,433,465.02
  4. Step 4: Simplify right side
    711,639,310.60x = 366,837,612,490,744,320
  5. Step 5: Solve for x
    x = 366,837,612,490,744,320/711,639,310.60
  6. Step 6: Final answer
    x = 515,482,502.20

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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.