Home / 356,411,846.07-491,823,595.91-197,650,158.65

Finding the Fourth Proportional to 356,411,846.07, 491,823,595.91 and 197,650,158.65

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Solution

The fourth proportional to 356,411,846.07, 491,823,595.91 and 197,650,158.65 is: 272,743,492.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,411,846.07 : 491,823,595.91 = 197,650,158.65 : x
  2. Step 2: Convert to fraction form
    356,411,846.07/491,823,595.91 = 197,650,158.65/x
  3. Step 3: Cross multiply
    356,411,846.07x = 491,823,595.91 × 197,650,158.65
  4. Step 4: Simplify right side
    356,411,846.07x = 97,209,011,755,977,616
  5. Step 5: Solve for x
    x = 97,209,011,755,977,616/356,411,846.07
  6. Step 6: Final answer
    x = 272,743,492.75

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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.