Home / 1,055,938,926.53-1,583,968,919.07-279,564,413.19

Finding the Fourth Proportional to 1,055,938,926.53, 1,583,968,919.07 and 279,564,413.19

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Solution

The fourth proportional to 1,055,938,926.53, 1,583,968,919.07 and 279,564,413.19 is: 419,362,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,938,926.53 : 1,583,968,919.07 = 279,564,413.19 : x
  2. Step 2: Convert to fraction form
    1,055,938,926.53/1,583,968,919.07 = 279,564,413.19/x
  3. Step 3: Cross multiply
    1,055,938,926.53x = 1,583,968,919.07 × 279,564,413.19
  4. Step 4: Simplify right side
    1,055,938,926.53x = 442,821,341,371,003,136
  5. Step 5: Solve for x
    x = 442,821,341,371,003,136/1,055,938,926.53
  6. Step 6: Final answer
    x = 419,362,645.18

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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.