Home / 349,139,721.43-523,116,920.86-210,674,368.13

Finding the Fourth Proportional to 349,139,721.43, 523,116,920.86 and 210,674,368.13

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Solution

The fourth proportional to 349,139,721.43, 523,116,920.86 and 210,674,368.13 is: 315,653,934.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,139,721.43 : 523,116,920.86 = 210,674,368.13 : x
  2. Step 2: Convert to fraction form
    349,139,721.43/523,116,920.86 = 210,674,368.13/x
  3. Step 3: Cross multiply
    349,139,721.43x = 523,116,920.86 × 210,674,368.13
  4. Step 4: Simplify right side
    349,139,721.43x = 110,207,326,757,149,456
  5. Step 5: Solve for x
    x = 110,207,326,757,149,456/349,139,721.43
  6. Step 6: Final answer
    x = 315,653,934.49

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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.