Home / 1,996,725,909.30-2,989,349,301.15-1,221,884,931.30

Finding the Fourth Proportional to 1,996,725,909.30, 2,989,349,301.15 and 1,221,884,931.30

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Solution

The fourth proportional to 1,996,725,909.30, 2,989,349,301.15 and 1,221,884,931.30 is: 1,829,315,104.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,725,909.30 : 2,989,349,301.15 = 1,221,884,931.30 : x
  2. Step 2: Convert to fraction form
    1,996,725,909.30/2,989,349,301.15 = 1,221,884,931.30/x
  3. Step 3: Cross multiply
    1,996,725,909.30x = 2,989,349,301.15 × 1,221,884,931.30
  4. Step 4: Simplify right side
    1,996,725,909.30x = 3,652,640,865,467,370,496
  5. Step 5: Solve for x
    x = 3,652,640,865,467,370,496/1,996,725,909.30
  6. Step 6: Final answer
    x = 1,829,315,104.52

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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.