Home / 1,243,971,954.74-1,716,669,995.84-679,456,718.93

Finding the Fourth Proportional to 1,243,971,954.74, 1,716,669,995.84 and 679,456,718.93

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Solution

The fourth proportional to 1,243,971,954.74, 1,716,669,995.84 and 679,456,718.93 is: 937,644,099.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,971,954.74 : 1,716,669,995.84 = 679,456,718.93 : x
  2. Step 2: Convert to fraction form
    1,243,971,954.74/1,716,669,995.84 = 679,456,718.93/x
  3. Step 3: Cross multiply
    1,243,971,954.74x = 1,716,669,995.84 × 679,456,718.93
  4. Step 4: Simplify right side
    1,243,971,954.74x = 1,166,402,962,847,042,560
  5. Step 5: Solve for x
    x = 1,166,402,962,847,042,560/1,243,971,954.74
  6. Step 6: Final answer
    x = 937,644,099.14

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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.