Home / 666,251,640,118.77-919,427,263,363.98-381,110,160,214.77

Finding the Fourth Proportional to 666,251,640,118.77, 919,427,263,363.98 and 381,110,160,214.77

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Solution

The fourth proportional to 666,251,640,118.77, 919,427,263,363.98 and 381,110,160,214.77 is: 525,932,021,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,118.77 : 919,427,263,363.98 = 381,110,160,214.77 : x
  2. Step 2: Convert to fraction form
    666,251,640,118.77/919,427,263,363.98 = 381,110,160,214.77/x
  3. Step 3: Cross multiply
    666,251,640,118.77x = 919,427,263,363.98 × 381,110,160,214.77
  4. Step 4: Simplify right side
    666,251,640,118.77x = 350,403,071,646,473,977,331,712
  5. Step 5: Solve for x
    x = 350,403,071,646,473,977,331,712/666,251,640,118.77
  6. Step 6: Final answer
    x = 525,932,021,096.43

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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.