Home / 265,042,514,543.96-397,619,614,895.04-85,954,537,091.37

Finding the Fourth Proportional to 265,042,514,543.96, 397,619,614,895.04 and 85,954,537,091.37

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Solution

The fourth proportional to 265,042,514,543.96, 397,619,614,895.04 and 85,954,537,091.37 is: 128,949,915,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,042,514,543.96 : 397,619,614,895.04 = 85,954,537,091.37 : x
  2. Step 2: Convert to fraction form
    265,042,514,543.96/397,619,614,895.04 = 85,954,537,091.37/x
  3. Step 3: Cross multiply
    265,042,514,543.96x = 397,619,614,895.04 × 85,954,537,091.37
  4. Step 4: Simplify right side
    265,042,514,543.96x = 34,177,209,936,751,968,124,928
  5. Step 5: Solve for x
    x = 34,177,209,936,751,968,124,928/265,042,514,543.96
  6. Step 6: Final answer
    x = 128,949,915,810.90

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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.