Home / 657,813,804.72-986,338,237.68-248,901,491.76

Finding the Fourth Proportional to 657,813,804.72, 986,338,237.68 and 248,901,491.76

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Solution

The fourth proportional to 657,813,804.72, 986,338,237.68 and 248,901,491.76 is: 373,207,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,813,804.72 : 986,338,237.68 = 248,901,491.76 : x
  2. Step 2: Convert to fraction form
    657,813,804.72/986,338,237.68 = 248,901,491.76/x
  3. Step 3: Cross multiply
    657,813,804.72x = 986,338,237.68 × 248,901,491.76
  4. Step 4: Simplify right side
    657,813,804.72x = 245,501,058,738,481,408
  5. Step 5: Solve for x
    x = 245,501,058,738,481,408/657,813,804.72
  6. Step 6: Final answer
    x = 373,207,520.09

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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.