Home / 151,328,820,570.30-208,833,790,093.53-82,740,280,149.54

Finding the Fourth Proportional to 151,328,820,570.30, 208,833,790,093.53 and 82,740,280,149.54

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Solution

The fourth proportional to 151,328,820,570.30, 208,833,790,093.53 and 82,740,280,149.54 is: 114,181,596,287.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,328,820,570.30 : 208,833,790,093.53 = 82,740,280,149.54 : x
  2. Step 2: Convert to fraction form
    151,328,820,570.30/208,833,790,093.53 = 82,740,280,149.54/x
  3. Step 3: Cross multiply
    151,328,820,570.30x = 208,833,790,093.53 × 82,740,280,149.54
  4. Step 4: Simplify right side
    151,328,820,570.30x = 17,278,966,297,027,860,758,528
  5. Step 5: Solve for x
    x = 17,278,966,297,027,860,758,528/151,328,820,570.30
  6. Step 6: Final answer
    x = 114,181,596,287.54

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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.