Home / 953,062,845.57-1,315,359,113.40-535,406,906.61

Finding the Fourth Proportional to 953,062,845.57, 1,315,359,113.40 and 535,406,906.61

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Solution

The fourth proportional to 953,062,845.57, 1,315,359,113.40 and 535,406,906.61 is: 738,935,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,062,845.57 : 1,315,359,113.40 = 535,406,906.61 : x
  2. Step 2: Convert to fraction form
    953,062,845.57/1,315,359,113.40 = 535,406,906.61/x
  3. Step 3: Cross multiply
    953,062,845.57x = 1,315,359,113.40 × 535,406,906.61
  4. Step 4: Simplify right side
    953,062,845.57x = 704,252,353,986,766,208
  5. Step 5: Solve for x
    x = 704,252,353,986,766,208/953,062,845.57
  6. Step 6: Final answer
    x = 738,935,902.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.