Home / 30,668,813,668.34-42,016,078,755.84-29,521,942,618.56

Finding the Fourth Proportional to 30,668,813,668.34, 42,016,078,755.84 and 29,521,942,618.56

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Solution

The fourth proportional to 30,668,813,668.34, 42,016,078,755.84 and 29,521,942,618.56 is: 40,444,872,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,668,813,668.34 : 42,016,078,755.84 = 29,521,942,618.56 : x
  2. Step 2: Convert to fraction form
    30,668,813,668.34/42,016,078,755.84 = 29,521,942,618.56/x
  3. Step 3: Cross multiply
    30,668,813,668.34x = 42,016,078,755.84 × 29,521,942,618.56
  4. Step 4: Simplify right side
    30,668,813,668.34x = 1,240,396,266,086,932,152,320
  5. Step 5: Solve for x
    x = 1,240,396,266,086,932,152,320/30,668,813,668.34
  6. Step 6: Final answer
    x = 40,444,872,746.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.