Home / 256,810,060,216.68-354,398,711,210.30-142,624,681,209.70

Finding the Fourth Proportional to 256,810,060,216.68, 354,398,711,210.30 and 142,624,681,209.70

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Solution

The fourth proportional to 256,810,060,216.68, 354,398,711,210.30 and 142,624,681,209.70 is: 196,822,519,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,810,060,216.68 : 354,398,711,210.30 = 142,624,681,209.70 : x
  2. Step 2: Convert to fraction form
    256,810,060,216.68/354,398,711,210.30 = 142,624,681,209.70/x
  3. Step 3: Cross multiply
    256,810,060,216.68x = 354,398,711,210.30 × 142,624,681,209.70
  4. Step 4: Simplify right side
    256,810,060,216.68x = 50,546,003,207,497,573,203,968
  5. Step 5: Solve for x
    x = 50,546,003,207,497,573,203,968/256,810,060,216.68
  6. Step 6: Final answer
    x = 196,822,519,977.80

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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.