Home / 545,198,132,789.61-817,813,859,602.86-187,045,082,486.47

Finding the Fourth Proportional to 545,198,132,789.61, 817,813,859,602.86 and 187,045,082,486.47

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Solution

The fourth proportional to 545,198,132,789.61, 817,813,859,602.86 and 187,045,082,486.47 is: 280,573,339,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,198,132,789.61 : 817,813,859,602.86 = 187,045,082,486.47 : x
  2. Step 2: Convert to fraction form
    545,198,132,789.61/817,813,859,602.86 = 187,045,082,486.47/x
  3. Step 3: Cross multiply
    545,198,132,789.61x = 817,813,859,602.86 × 187,045,082,486.47
  4. Step 4: Simplify right side
    545,198,132,789.61x = 152,968,060,827,995,343,945,728
  5. Step 5: Solve for x
    x = 152,968,060,827,995,343,945,728/545,198,132,789.61
  6. Step 6: Final answer
    x = 280,573,339,540.44

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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.