Home / 1,996,975,297-2,995,871,491.68-686,707,184.26

Finding the Fourth Proportional to 1,996,975,297, 2,995,871,491.68 and 686,707,184.26

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Solution

The fourth proportional to 1,996,975,297, 2,995,871,491.68 and 686,707,184.26 is: 1,030,201,264.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,975,297 : 2,995,871,491.68 = 686,707,184.26 : x
  2. Step 2: Convert to fraction form
    1,996,975,297/2,995,871,491.68 = 686,707,184.26/x
  3. Step 3: Cross multiply
    1,996,975,297x = 2,995,871,491.68 × 686,707,184.26
  4. Step 4: Simplify right side
    1,996,975,297x = 2,057,286,476,456,378,624
  5. Step 5: Solve for x
    x = 2,057,286,476,456,378,624/1,996,975,297
  6. Step 6: Final answer
    x = 1,030,201,264.66

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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.