Home / 28,724,058,176.40-43,086,087,264.60-15,500,105,485.20

Finding the Fourth Proportional to 28,724,058,176.40, 43,086,087,264.60 and 15,500,105,485.20

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Solution

The fourth proportional to 28,724,058,176.40, 43,086,087,264.60 and 15,500,105,485.20 is: 23,250,158,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,724,058,176.40 : 43,086,087,264.60 = 15,500,105,485.20 : x
  2. Step 2: Convert to fraction form
    28,724,058,176.40/43,086,087,264.60 = 15,500,105,485.20/x
  3. Step 3: Cross multiply
    28,724,058,176.40x = 43,086,087,264.60 × 15,500,105,485.20
  4. Step 4: Simplify right side
    28,724,058,176.40x = 667,838,897,545,832,300,544
  5. Step 5: Solve for x
    x = 667,838,897,545,832,300,544/28,724,058,176.40
  6. Step 6: Final answer
    x = 23,250,158,227.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.