Home / 28,705,632,401.20-43,058,448,601.80-28,318,648,874.80

Finding the Fourth Proportional to 28,705,632,401.20, 43,058,448,601.80 and 28,318,648,874.80

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Solution

The fourth proportional to 28,705,632,401.20, 43,058,448,601.80 and 28,318,648,874.80 is: 42,477,973,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,705,632,401.20 : 43,058,448,601.80 = 28,318,648,874.80 : x
  2. Step 2: Convert to fraction form
    28,705,632,401.20/43,058,448,601.80 = 28,318,648,874.80/x
  3. Step 3: Cross multiply
    28,705,632,401.20x = 43,058,448,601.80 × 28,318,648,874.80
  4. Step 4: Simplify right side
    28,705,632,401.20x = 1,219,357,087,047,997,194,240
  5. Step 5: Solve for x
    x = 1,219,357,087,047,997,194,240/28,705,632,401.20
  6. Step 6: Final answer
    x = 42,477,973,312.20

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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.