Home / 874,194,651.68-1,206,457,389.08-497,867,151.56

Finding the Fourth Proportional to 874,194,651.68, 1,206,457,389.08 and 497,867,151.56

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Solution

The fourth proportional to 874,194,651.68, 1,206,457,389.08 and 497,867,151.56 is: 687,095,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,194,651.68 : 1,206,457,389.08 = 497,867,151.56 : x
  2. Step 2: Convert to fraction form
    874,194,651.68/1,206,457,389.08 = 497,867,151.56/x
  3. Step 3: Cross multiply
    874,194,651.68x = 1,206,457,389.08 × 497,867,151.56
  4. Step 4: Simplify right side
    874,194,651.68x = 600,655,503,771,252,608
  5. Step 5: Solve for x
    x = 600,655,503,771,252,608/874,194,651.68
  6. Step 6: Final answer
    x = 687,095,834.57

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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.