Home / 358,033,221,365.20-494,087,852,338.29-203,708,897,138.64

Finding the Fourth Proportional to 358,033,221,365.20, 494,087,852,338.29 and 203,708,897,138.64

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Solution

The fourth proportional to 358,033,221,365.20, 494,087,852,338.29 and 203,708,897,138.64 is: 281,119,419,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,033,221,365.20 : 494,087,852,338.29 = 203,708,897,138.64 : x
  2. Step 2: Convert to fraction form
    358,033,221,365.20/494,087,852,338.29 = 203,708,897,138.64/x
  3. Step 3: Cross multiply
    358,033,221,365.20x = 494,087,852,338.29 × 203,708,897,138.64
  4. Step 4: Simplify right side
    358,033,221,365.20x = 100,650,091,489,432,277,352,448
  5. Step 5: Solve for x
    x = 100,650,091,489,432,277,352,448/358,033,221,365.20
  6. Step 6: Final answer
    x = 281,119,419,884.13

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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.