Home / 436,215,818.78-601,974,973.09-248,044,126.57

Finding the Fourth Proportional to 436,215,818.78, 601,974,973.09 and 248,044,126.57

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Solution

The fourth proportional to 436,215,818.78, 601,974,973.09 and 248,044,126.57 is: 342,299,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,215,818.78 : 601,974,973.09 = 248,044,126.57 : x
  2. Step 2: Convert to fraction form
    436,215,818.78/601,974,973.09 = 248,044,126.57/x
  3. Step 3: Cross multiply
    436,215,818.78x = 601,974,973.09 × 248,044,126.57
  4. Step 4: Simplify right side
    436,215,818.78x = 149,316,356,415,913,408
  5. Step 5: Solve for x
    x = 149,316,356,415,913,408/436,215,818.78
  6. Step 6: Final answer
    x = 342,299,270.20

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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.