Home / 288,643,436.03-398,371,070.53-227,225,944.19

Finding the Fourth Proportional to 288,643,436.03, 398,371,070.53 and 227,225,944.19

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Solution

The fourth proportional to 288,643,436.03, 398,371,070.53 and 227,225,944.19 is: 313,605,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,643,436.03 : 398,371,070.53 = 227,225,944.19 : x
  2. Step 2: Convert to fraction form
    288,643,436.03/398,371,070.53 = 227,225,944.19/x
  3. Step 3: Cross multiply
    288,643,436.03x = 398,371,070.53 × 227,225,944.19
  4. Step 4: Simplify right side
    288,643,436.03x = 90,520,242,640,440,288
  5. Step 5: Solve for x
    x = 90,520,242,640,440,288/288,643,436.03
  6. Step 6: Final answer
    x = 313,605,754.85

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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.