Home / 280,961,598,529.12-387,716,974,055.72-159,023,714,917.54

Finding the Fourth Proportional to 280,961,598,529.12, 387,716,974,055.72 and 159,023,714,917.54

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Solution

The fourth proportional to 280,961,598,529.12, 387,716,974,055.72 and 159,023,714,917.54 is: 219,447,048,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,961,598,529.12 : 387,716,974,055.72 = 159,023,714,917.54 : x
  2. Step 2: Convert to fraction form
    280,961,598,529.12/387,716,974,055.72 = 159,023,714,917.54/x
  3. Step 3: Cross multiply
    280,961,598,529.12x = 387,716,974,055.72 × 159,023,714,917.54
  4. Step 4: Simplify right side
    280,961,598,529.12x = 61,656,193,550,928,071,098,368
  5. Step 5: Solve for x
    x = 61,656,193,550,928,071,098,368/280,961,598,529.12
  6. Step 6: Final answer
    x = 219,447,048,542.25

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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.