Home / 278,290,413.60-417,435,620.40-176,169,760.80

Finding the Fourth Proportional to 278,290,413.60, 417,435,620.40 and 176,169,760.80

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Solution

The fourth proportional to 278,290,413.60, 417,435,620.40 and 176,169,760.80 is: 264,254,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,290,413.60 : 417,435,620.40 = 176,169,760.80 : x
  2. Step 2: Convert to fraction form
    278,290,413.60/417,435,620.40 = 176,169,760.80/x
  3. Step 3: Cross multiply
    278,290,413.60x = 417,435,620.40 × 176,169,760.80
  4. Step 4: Simplify right side
    278,290,413.60x = 73,539,533,395,267,600
  5. Step 5: Solve for x
    x = 73,539,533,395,267,600/278,290,413.60
  6. Step 6: Final answer
    x = 264,254,641.20

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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.