Home / 985,110,624.53-1,359,452,769.02-539,074,082.55

Finding the Fourth Proportional to 985,110,624.53, 1,359,452,769.02 and 539,074,082.55

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Solution

The fourth proportional to 985,110,624.53, 1,359,452,769.02 and 539,074,082.55 is: 743,922,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,110,624.53 : 1,359,452,769.02 = 539,074,082.55 : x
  2. Step 2: Convert to fraction form
    985,110,624.53/1,359,452,769.02 = 539,074,082.55/x
  3. Step 3: Cross multiply
    985,110,624.53x = 1,359,452,769.02 × 539,074,082.55
  4. Step 4: Simplify right side
    985,110,624.53x = 732,845,754,226,818,176
  5. Step 5: Solve for x
    x = 732,845,754,226,818,176/985,110,624.53
  6. Step 6: Final answer
    x = 743,922,292.57

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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.