Home / 1,237,643,334.84-1,707,980,113.26-680,740,993.56

Finding the Fourth Proportional to 1,237,643,334.84, 1,707,980,113.26 and 680,740,993.56

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Solution

The fourth proportional to 1,237,643,334.84, 1,707,980,113.26 and 680,740,993.56 is: 939,440,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,643,334.84 : 1,707,980,113.26 = 680,740,993.56 : x
  2. Step 2: Convert to fraction form
    1,237,643,334.84/1,707,980,113.26 = 680,740,993.56/x
  3. Step 3: Cross multiply
    1,237,643,334.84x = 1,707,980,113.26 × 680,740,993.56
  4. Step 4: Simplify right side
    1,237,643,334.84x = 1,162,692,079,281,333,504
  5. Step 5: Solve for x
    x = 1,162,692,079,281,333,504/1,237,643,334.84
  6. Step 6: Final answer
    x = 939,440,343.23

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.