Home / 256,810,060,217.67-354,398,711,211.69-142,624,681,210.70

Finding the Fourth Proportional to 256,810,060,217.67, 354,398,711,211.69 and 142,624,681,210.70

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Solution

The fourth proportional to 256,810,060,217.67, 354,398,711,211.69 and 142,624,681,210.70 is: 196,822,519,979.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,810,060,217.67 : 354,398,711,211.69 = 142,624,681,210.70 : x
  2. Step 2: Convert to fraction form
    256,810,060,217.67/354,398,711,211.69 = 142,624,681,210.70/x
  3. Step 3: Cross multiply
    256,810,060,217.67x = 354,398,711,211.69 × 142,624,681,210.70
  4. Step 4: Simplify right side
    256,810,060,217.67x = 50,546,003,208,050,223,087,616
  5. Step 5: Solve for x
    x = 50,546,003,208,050,223,087,616/256,810,060,217.67
  6. Step 6: Final answer
    x = 196,822,519,979.19

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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.