Home / 1,019,949,427.80-1,529,924,141.70-798,019,666.20

Finding the Fourth Proportional to 1,019,949,427.80, 1,529,924,141.70 and 798,019,666.20

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Solution

The fourth proportional to 1,019,949,427.80, 1,529,924,141.70 and 798,019,666.20 is: 1,197,029,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,949,427.80 : 1,529,924,141.70 = 798,019,666.20 : x
  2. Step 2: Convert to fraction form
    1,019,949,427.80/1,529,924,141.70 = 798,019,666.20/x
  3. Step 3: Cross multiply
    1,019,949,427.80x = 1,529,924,141.70 × 798,019,666.20
  4. Step 4: Simplify right side
    1,019,949,427.80x = 1,220,909,552,870,755,584
  5. Step 5: Solve for x
    x = 1,220,909,552,870,755,584/1,019,949,427.80
  6. Step 6: Final answer
    x = 1,197,029,499.30

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Double scale
Find fourth proportional to 1,019,949,428.80, 1,529,924,143.20 and 798,019,667.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.