Home / 1,321,388,567.64-1,823,564,168.36-756,982,531.53

Finding the Fourth Proportional to 1,321,388,567.64, 1,823,564,168.36 and 756,982,531.53

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Solution

The fourth proportional to 1,321,388,567.64, 1,823,564,168.36 and 756,982,531.53 is: 1,044,663,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,388,567.64 : 1,823,564,168.36 = 756,982,531.53 : x
  2. Step 2: Convert to fraction form
    1,321,388,567.64/1,823,564,168.36 = 756,982,531.53/x
  3. Step 3: Cross multiply
    1,321,388,567.64x = 1,823,564,168.36 × 756,982,531.53
  4. Step 4: Simplify right side
    1,321,388,567.64x = 1,380,406,220,568,766,976
  5. Step 5: Solve for x
    x = 1,380,406,220,568,766,976/1,321,388,567.64
  6. Step 6: Final answer
    x = 1,044,663,359.72

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1.5x scale

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.