Home / 256,810,060,216.67-354,398,711,210.31-142,624,681,209.70

Finding the Fourth Proportional to 256,810,060,216.67, 354,398,711,210.31 and 142,624,681,209.70

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Solution

The fourth proportional to 256,810,060,216.67, 354,398,711,210.31 and 142,624,681,209.70 is: 196,822,519,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,810,060,216.67 : 354,398,711,210.31 = 142,624,681,209.70 : x
  2. Step 2: Convert to fraction form
    256,810,060,216.67/354,398,711,210.31 = 142,624,681,209.70/x
  3. Step 3: Cross multiply
    256,810,060,216.67x = 354,398,711,210.31 × 142,624,681,209.70
  4. Step 4: Simplify right side
    256,810,060,216.67x = 50,546,003,207,498,999,267,328
  5. Step 5: Solve for x
    x = 50,546,003,207,498,999,267,328/256,810,060,216.67
  6. Step 6: Final answer
    x = 196,822,519,977.81

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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.