Home / 208,180,893,859.60-287,183,902,232.34-135,965,230,434.38

Finding the Fourth Proportional to 208,180,893,859.60, 287,183,902,232.34 and 135,965,230,434.38

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Solution

The fourth proportional to 208,180,893,859.60, 287,183,902,232.34 and 135,965,230,434.38 is: 187,562,963,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,180,893,859.60 : 287,183,902,232.34 = 135,965,230,434.38 : x
  2. Step 2: Convert to fraction form
    208,180,893,859.60/287,183,902,232.34 = 135,965,230,434.38/x
  3. Step 3: Cross multiply
    208,180,893,859.60x = 287,183,902,232.34 × 135,965,230,434.38
  4. Step 4: Simplify right side
    208,180,893,859.60x = 39,047,025,444,064,568,803,328
  5. Step 5: Solve for x
    x = 39,047,025,444,064,568,803,328/208,180,893,859.60
  6. Step 6: Final answer
    x = 187,562,963,729.03

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1.5x scale

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.