Home / 27,731,220,413.23-38,265,855,656.63-15,524,593,947.06

Finding the Fourth Proportional to 27,731,220,413.23, 38,265,855,656.63 and 15,524,593,947.06

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Solution

The fourth proportional to 27,731,220,413.23, 38,265,855,656.63 and 15,524,593,947.06 is: 21,422,132,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731,220,413.23 : 38,265,855,656.63 = 15,524,593,947.06 : x
  2. Step 2: Convert to fraction form
    27,731,220,413.23/38,265,855,656.63 = 15,524,593,947.06/x
  3. Step 3: Cross multiply
    27,731,220,413.23x = 38,265,855,656.63 × 15,524,593,947.06
  4. Step 4: Simplify right side
    27,731,220,413.23x = 594,061,871,105,989,672,960
  5. Step 5: Solve for x
    x = 594,061,871,105,989,672,960/27,731,220,413.23
  6. Step 6: Final answer
    x = 21,422,132,248.55

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Double scale
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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.