Home / 349,139,721.56-523,116,921.05-210,674,368.25

Finding the Fourth Proportional to 349,139,721.56, 523,116,921.05 and 210,674,368.25

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Solution

The fourth proportional to 349,139,721.56, 523,116,921.05 and 210,674,368.25 is: 315,653,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,139,721.56 : 523,116,921.05 = 210,674,368.25 : x
  2. Step 2: Convert to fraction form
    349,139,721.56/523,116,921.05 = 210,674,368.25/x
  3. Step 3: Cross multiply
    349,139,721.56x = 523,116,921.05 × 210,674,368.25
  4. Step 4: Simplify right side
    349,139,721.56x = 110,207,326,862,040,512
  5. Step 5: Solve for x
    x = 110,207,326,862,040,512/349,139,721.56
  6. Step 6: Final answer
    x = 315,653,934.68

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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.