Home / 349,758,911.20-524,638,366.80-339,681,215.20

Finding the Fourth Proportional to 349,758,911.20, 524,638,366.80 and 339,681,215.20

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Solution

The fourth proportional to 349,758,911.20, 524,638,366.80 and 339,681,215.20 is: 509,521,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,758,911.20 : 524,638,366.80 = 339,681,215.20 : x
  2. Step 2: Convert to fraction form
    349,758,911.20/524,638,366.80 = 339,681,215.20/x
  3. Step 3: Cross multiply
    349,758,911.20x = 524,638,366.80 × 339,681,215.20
  4. Step 4: Simplify right side
    349,758,911.20x = 178,209,797,975,167,328
  5. Step 5: Solve for x
    x = 178,209,797,975,167,328/349,758,911.20
  6. Step 6: Final answer
    x = 509,521,822.80

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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.