Home / 1,693,685,106.66-2,540,245,877.12-512,984,869.56

Finding the Fourth Proportional to 1,693,685,106.66, 2,540,245,877.12 and 512,984,869.56

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Solution

The fourth proportional to 1,693,685,106.66, 2,540,245,877.12 and 512,984,869.56 is: 769,391,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,685,106.66 : 2,540,245,877.12 = 512,984,869.56 : x
  2. Step 2: Convert to fraction form
    1,693,685,106.66/2,540,245,877.12 = 512,984,869.56/x
  3. Step 3: Cross multiply
    1,693,685,106.66x = 2,540,245,877.12 × 512,984,869.56
  4. Step 4: Simplify right side
    1,693,685,106.66x = 1,303,107,699,924,730,880
  5. Step 5: Solve for x
    x = 1,303,107,699,924,730,880/1,693,685,106.66
  6. Step 6: Final answer
    x = 769,391,957.69

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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.