Home / 641,609,413.60-962,414,120.40-156,935,221.60

Finding the Fourth Proportional to 641,609,413.60, 962,414,120.40 and 156,935,221.60

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Solution

The fourth proportional to 641,609,413.60, 962,414,120.40 and 156,935,221.60 is: 235,402,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,609,413.60 : 962,414,120.40 = 156,935,221.60 : x
  2. Step 2: Convert to fraction form
    641,609,413.60/962,414,120.40 = 156,935,221.60/x
  3. Step 3: Cross multiply
    641,609,413.60x = 962,414,120.40 × 156,935,221.60
  4. Step 4: Simplify right side
    641,609,413.60x = 151,036,673,255,943,072
  5. Step 5: Solve for x
    x = 151,036,673,255,943,072/641,609,413.60
  6. Step 6: Final answer
    x = 235,402,832.40

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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.