Home / 256,810,060,215.17-354,398,711,208.24-142,624,681,208.20

Finding the Fourth Proportional to 256,810,060,215.17, 354,398,711,208.24 and 142,624,681,208.20

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Solution

The fourth proportional to 256,810,060,215.17, 354,398,711,208.24 and 142,624,681,208.20 is: 196,822,519,975.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,810,060,215.17 : 354,398,711,208.24 = 142,624,681,208.20 : x
  2. Step 2: Convert to fraction form
    256,810,060,215.17/354,398,711,208.24 = 142,624,681,208.20/x
  3. Step 3: Cross multiply
    256,810,060,215.17x = 354,398,711,208.24 × 142,624,681,208.20
  4. Step 4: Simplify right side
    256,810,060,215.17x = 50,546,003,206,672,167,731,200
  5. Step 5: Solve for x
    x = 50,546,003,206,672,167,731,200/256,810,060,215.17
  6. Step 6: Final answer
    x = 196,822,519,975.74

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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.