Home / 910,289,348.86-1,256,199,302.82-492,601,634

Finding the Fourth Proportional to 910,289,348.86, 1,256,199,302.82 and 492,601,634

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Solution

The fourth proportional to 910,289,348.86, 1,256,199,302.82 and 492,601,634 is: 679,790,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,289,348.86 : 1,256,199,302.82 = 492,601,634 : x
  2. Step 2: Convert to fraction form
    910,289,348.86/1,256,199,302.82 = 492,601,634/x
  3. Step 3: Cross multiply
    910,289,348.86x = 1,256,199,302.82 × 492,601,634
  4. Step 4: Simplify right side
    910,289,348.86x = 618,805,829,198,792,832
  5. Step 5: Solve for x
    x = 618,805,829,198,792,832/910,289,348.86
  6. Step 6: Final answer
    x = 679,790,255.67

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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.