Home / 472,456,680.08-651,995,970.72-274,264,091.60

Finding the Fourth Proportional to 472,456,680.08, 651,995,970.72 and 274,264,091.60

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Solution

The fourth proportional to 472,456,680.08, 651,995,970.72 and 274,264,091.60 is: 378,487,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,456,680.08 : 651,995,970.72 = 274,264,091.60 : x
  2. Step 2: Convert to fraction form
    472,456,680.08/651,995,970.72 = 274,264,091.60/x
  3. Step 3: Cross multiply
    472,456,680.08x = 651,995,970.72 × 274,264,091.60
  4. Step 4: Simplify right side
    472,456,680.08x = 178,819,082,636,381,024
  5. Step 5: Solve for x
    x = 178,819,082,636,381,024/472,456,680.08
  6. Step 6: Final answer
    x = 378,487,785.60

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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.