Home / 1,996,975,300-2,995,871,496.18-686,707,187.26

Finding the Fourth Proportional to 1,996,975,300, 2,995,871,496.18 and 686,707,187.26

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Solution

The fourth proportional to 1,996,975,300, 2,995,871,496.18 and 686,707,187.26 is: 1,030,201,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,975,300 : 2,995,871,496.18 = 686,707,187.26 : x
  2. Step 2: Convert to fraction form
    1,996,975,300/2,995,871,496.18 = 686,707,187.26/x
  3. Step 3: Cross multiply
    1,996,975,300x = 2,995,871,496.18 × 686,707,187.26
  4. Step 4: Simplify right side
    1,996,975,300x = 2,057,286,488,534,175,488
  5. Step 5: Solve for x
    x = 2,057,286,488,534,175,488/1,996,975,300
  6. Step 6: Final answer
    x = 1,030,201,269.16

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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.