Home / 661,899,082.14-992,158,930.89-370,338,739.74

Finding the Fourth Proportional to 661,899,082.14, 992,158,930.89 and 370,338,739.74

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Solution

The fourth proportional to 661,899,082.14, 992,158,930.89 and 370,338,739.74 is: 555,122,220.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,899,082.14 : 992,158,930.89 = 370,338,739.74 : x
  2. Step 2: Convert to fraction form
    661,899,082.14/992,158,930.89 = 370,338,739.74/x
  3. Step 3: Cross multiply
    661,899,082.14x = 992,158,930.89 × 370,338,739.74
  4. Step 4: Simplify right side
    661,899,082.14x = 367,434,888,087,588,352
  5. Step 5: Solve for x
    x = 367,434,888,087,588,352/661,899,082.14
  6. Step 6: Final answer
    x = 555,122,220.29

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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.