Home / 2,990,724,448.87-4,486,862,317.65-1,590,557,356.51

Finding the Fourth Proportional to 2,990,724,448.87, 4,486,862,317.65 and 1,590,557,356.51

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Solution

The fourth proportional to 2,990,724,448.87, 4,486,862,317.65 and 1,590,557,356.51 is: 2,386,248,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,724,448.87 : 4,486,862,317.65 = 1,590,557,356.51 : x
  2. Step 2: Convert to fraction form
    2,990,724,448.87/4,486,862,317.65 = 1,590,557,356.51/x
  3. Step 3: Cross multiply
    2,990,724,448.87x = 4,486,862,317.65 × 1,590,557,356.51
  4. Step 4: Simplify right side
    2,990,724,448.87x = 7,136,611,866,985,715,712
  5. Step 5: Solve for x
    x = 7,136,611,866,985,715,712/2,990,724,448.87
  6. Step 6: Final answer
    x = 2,386,248,545.79

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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.