Home / 278,109,596.88-417,844,536.12-262,640,264.40

Finding the Fourth Proportional to 278,109,596.88, 417,844,536.12 and 262,640,264.40

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Solution

The fourth proportional to 278,109,596.88, 417,844,536.12 and 262,640,264.40 is: 394,602,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,109,596.88 : 417,844,536.12 = 262,640,264.40 : x
  2. Step 2: Convert to fraction form
    278,109,596.88/417,844,536.12 = 262,640,264.40/x
  3. Step 3: Cross multiply
    278,109,596.88x = 417,844,536.12 × 262,640,264.40
  4. Step 4: Simplify right side
    278,109,596.88x = 109,742,799,444,652,160
  5. Step 5: Solve for x
    x = 109,742,799,444,652,160/278,109,596.88
  6. Step 6: Final answer
    x = 394,602,705.82

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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.