Home / 39,157,035,258,220-54,036,876,652,016-21,359,187,177,780

Finding the Fourth Proportional to 39,157,035,258,220, 54,036,876,652,016 and 21,359,187,177,780

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Solution

The fourth proportional to 39,157,035,258,220, 54,036,876,652,016 and 21,359,187,177,780 is: 29,475,769,942,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,035,258,220 : 54,036,876,652,016 = 21,359,187,177,780 : x
  2. Step 2: Convert to fraction form
    39,157,035,258,220/54,036,876,652,016 = 21,359,187,177,780/x
  3. Step 3: Cross multiply
    39,157,035,258,220x = 54,036,876,652,016 × 21,359,187,177,780
  4. Step 4: Simplify right side
    39,157,035,258,220x = 1,154,183,762,913,019,603,070,222,336
  5. Step 5: Solve for x
    x = 1,154,183,762,913,019,603,070,222,336/39,157,035,258,220
  6. Step 6: Final answer
    x = 29,475,769,942,790.26

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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.