Home / 373,205,799-514,960,229.16-216,536,992.20

Finding the Fourth Proportional to 373,205,799, 514,960,229.16 and 216,536,992.20

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Solution

The fourth proportional to 373,205,799, 514,960,229.16 and 216,536,992.20 is: 298,784,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,205,799 : 514,960,229.16 = 216,536,992.20 : x
  2. Step 2: Convert to fraction form
    373,205,799/514,960,229.16 = 216,536,992.20/x
  3. Step 3: Cross multiply
    373,205,799x = 514,960,229.16 × 216,536,992.20
  4. Step 4: Simplify right side
    373,205,799x = 111,507,939,124,929,136
  5. Step 5: Solve for x
    x = 111,507,939,124,929,136/373,205,799
  6. Step 6: Final answer
    x = 298,784,047.36

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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.