Home / 278,290,273.60-417,435,410.40-176,169,620.80

Finding the Fourth Proportional to 278,290,273.60, 417,435,410.40 and 176,169,620.80

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Solution

The fourth proportional to 278,290,273.60, 417,435,410.40 and 176,169,620.80 is: 264,254,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,290,273.60 : 417,435,410.40 = 176,169,620.80 : x
  2. Step 2: Convert to fraction form
    278,290,273.60/417,435,410.40 = 176,169,620.80/x
  3. Step 3: Cross multiply
    278,290,273.60x = 417,435,410.40 × 176,169,620.80
  4. Step 4: Simplify right side
    278,290,273.60x = 73,539,437,958,660,384
  5. Step 5: Solve for x
    x = 73,539,437,958,660,384/278,290,273.60
  6. Step 6: Final answer
    x = 264,254,431.20

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1.5x scale

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.