Home / 1,990,673,130.90-2,986,009,696.35-1,718,351,390.10

Finding the Fourth Proportional to 1,990,673,130.90, 2,986,009,696.35 and 1,718,351,390.10

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Solution

The fourth proportional to 1,990,673,130.90, 2,986,009,696.35 and 1,718,351,390.10 is: 2,577,527,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,673,130.90 : 2,986,009,696.35 = 1,718,351,390.10 : x
  2. Step 2: Convert to fraction form
    1,990,673,130.90/2,986,009,696.35 = 1,718,351,390.10/x
  3. Step 3: Cross multiply
    1,990,673,130.90x = 2,986,009,696.35 × 1,718,351,390.10
  4. Step 4: Simplify right side
    1,990,673,130.90x = 5,131,013,912,575,100,928
  5. Step 5: Solve for x
    x = 5,131,013,912,575,100,928/1,990,673,130.90
  6. Step 6: Final answer
    x = 2,577,527,085.15

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Double scale
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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.