Home / 785,566,413.46-1,177,016,172.80-474,019,423.88

Finding the Fourth Proportional to 785,566,413.46, 1,177,016,172.80 and 474,019,423.88

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Solution

The fourth proportional to 785,566,413.46, 1,177,016,172.80 and 474,019,423.88 is: 710,224,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,566,413.46 : 1,177,016,172.80 = 474,019,423.88 : x
  2. Step 2: Convert to fraction form
    785,566,413.46/1,177,016,172.80 = 474,019,423.88/x
  3. Step 3: Cross multiply
    785,566,413.46x = 1,177,016,172.80 × 474,019,423.88
  4. Step 4: Simplify right side
    785,566,413.46x = 557,928,528,125,177,216
  5. Step 5: Solve for x
    x = 557,928,528,125,177,216/785,566,413.46
  6. Step 6: Final answer
    x = 710,224,518.98

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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.