Home / 709,971,318.49-1,065,071,413.01-218,684,359.93

Finding the Fourth Proportional to 709,971,318.49, 1,065,071,413.01 and 218,684,359.93

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Solution

The fourth proportional to 709,971,318.49, 1,065,071,413.01 and 218,684,359.93 is: 328,061,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,318.49 : 1,065,071,413.01 = 218,684,359.93 : x
  2. Step 2: Convert to fraction form
    709,971,318.49/1,065,071,413.01 = 218,684,359.93/x
  3. Step 3: Cross multiply
    709,971,318.49x = 1,065,071,413.01 × 218,684,359.93
  4. Step 4: Simplify right side
    709,971,318.49x = 232,914,460,233,832,544
  5. Step 5: Solve for x
    x = 232,914,460,233,832,544/709,971,318.49
  6. Step 6: Final answer
    x = 328,061,788.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.