Home / 912,528,040.90-1,368,792,061.35-880,279,413.70

Finding the Fourth Proportional to 912,528,040.90, 1,368,792,061.35 and 880,279,413.70

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Solution

The fourth proportional to 912,528,040.90, 1,368,792,061.35 and 880,279,413.70 is: 1,320,419,120.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,528,040.90 : 1,368,792,061.35 = 880,279,413.70 : x
  2. Step 2: Convert to fraction form
    912,528,040.90/1,368,792,061.35 = 880,279,413.70/x
  3. Step 3: Cross multiply
    912,528,040.90x = 1,368,792,061.35 × 880,279,413.70
  4. Step 4: Simplify right side
    912,528,040.90x = 1,204,919,473,242,392,320
  5. Step 5: Solve for x
    x = 1,204,919,473,242,392,320/912,528,040.90
  6. Step 6: Final answer
    x = 1,320,419,120.55

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Double scale
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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.