Home / 280,945,855,570.48-387,704,303,081.61-152,487,303,850.30

Finding the Fourth Proportional to 280,945,855,570.48, 387,704,303,081.61 and 152,487,303,850.30

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Solution

The fourth proportional to 280,945,855,570.48, 387,704,303,081.61 and 152,487,303,850.30 is: 210,431,948,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,945,855,570.48 : 387,704,303,081.61 = 152,487,303,850.30 : x
  2. Step 2: Convert to fraction form
    280,945,855,570.48/387,704,303,081.61 = 152,487,303,850.30/x
  3. Step 3: Cross multiply
    280,945,855,570.48x = 387,704,303,081.61 × 152,487,303,850.30
  4. Step 4: Simplify right side
    280,945,855,570.48x = 59,119,983,868,074,260,430,848
  5. Step 5: Solve for x
    x = 59,119,983,868,074,260,430,848/280,945,855,570.48
  6. Step 6: Final answer
    x = 210,431,948,704.23

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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.