Home / 278,262,001.80-417,393,002.70-271,884,709.80

Finding the Fourth Proportional to 278,262,001.80, 417,393,002.70 and 271,884,709.80

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Solution

The fourth proportional to 278,262,001.80, 417,393,002.70 and 271,884,709.80 is: 407,827,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,262,001.80 : 417,393,002.70 = 271,884,709.80 : x
  2. Step 2: Convert to fraction form
    278,262,001.80/417,393,002.70 = 271,884,709.80/x
  3. Step 3: Cross multiply
    278,262,001.80x = 417,393,002.70 × 271,884,709.80
  4. Step 4: Simplify right side
    278,262,001.80x = 113,482,775,411,640,112
  5. Step 5: Solve for x
    x = 113,482,775,411,640,112/278,262,001.80
  6. Step 6: Final answer
    x = 407,827,064.70

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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.