Home / 280,961,598,528.12-387,716,974,054.34-159,023,714,916.54

Finding the Fourth Proportional to 280,961,598,528.12, 387,716,974,054.34 and 159,023,714,916.54

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Solution

The fourth proportional to 280,961,598,528.12, 387,716,974,054.34 and 159,023,714,916.54 is: 219,447,048,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,961,598,528.12 : 387,716,974,054.34 = 159,023,714,916.54 : x
  2. Step 2: Convert to fraction form
    280,961,598,528.12/387,716,974,054.34 = 159,023,714,916.54/x
  3. Step 3: Cross multiply
    280,961,598,528.12x = 387,716,974,054.34 × 159,023,714,916.54
  4. Step 4: Simplify right side
    280,961,598,528.12x = 61,656,193,550,320,903,651,328
  5. Step 5: Solve for x
    x = 61,656,193,550,320,903,651,328/280,961,598,528.12
  6. Step 6: Final answer
    x = 219,447,048,540.87

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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.