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Finding the Fourth Proportional to 19,421,098,331.40, 27,217,087,565.40 and 19,421,098,331.40

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Solution

The fourth proportional to 19,421,098,331.40, 27,217,087,565.40 and 19,421,098,331.40 is: 27,217,087,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421,098,331.40 : 27,217,087,565.40 = 19,421,098,331.40 : x
  2. Step 2: Convert to fraction form
    19,421,098,331.40/27,217,087,565.40 = 19,421,098,331.40/x
  3. Step 3: Cross multiply
    19,421,098,331.40x = 27,217,087,565.40 × 19,421,098,331.40
  4. Step 4: Simplify right side
    19,421,098,331.40x = 528,585,733,901,957,726,208
  5. Step 5: Solve for x
    x = 528,585,733,901,957,726,208/19,421,098,331.40
  6. Step 6: Final answer
    x = 27,217,087,565.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.