Home / 861,064,976,285.61-1,188,270,144,027.80-465,102,022,832.93

Finding the Fourth Proportional to 861,064,976,285.61, 1,188,270,144,027.80 and 465,102,022,832.93

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Solution

The fourth proportional to 861,064,976,285.61, 1,188,270,144,027.80 and 465,102,022,832.93 is: 641,841,049,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,064,976,285.61 : 1,188,270,144,027.80 = 465,102,022,832.93 : x
  2. Step 2: Convert to fraction form
    861,064,976,285.61/1,188,270,144,027.80 = 465,102,022,832.93/x
  3. Step 3: Cross multiply
    861,064,976,285.61x = 1,188,270,144,027.80 × 465,102,022,832.93
  4. Step 4: Simplify right side
    861,064,976,285.61x = 552,666,847,659,306,875,092,992
  5. Step 5: Solve for x
    x = 552,666,847,659,306,875,092,992/861,064,976,285.61
  6. Step 6: Final answer
    x = 641,841,049,026.70

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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.