Home / 558,839,739,254.40-838,259,608,881.60-307,203,701,212.80

Finding the Fourth Proportional to 558,839,739,254.40, 838,259,608,881.60 and 307,203,701,212.80

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Solution

The fourth proportional to 558,839,739,254.40, 838,259,608,881.60 and 307,203,701,212.80 is: 460,805,551,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,839,739,254.40 : 838,259,608,881.60 = 307,203,701,212.80 : x
  2. Step 2: Convert to fraction form
    558,839,739,254.40/838,259,608,881.60 = 307,203,701,212.80/x
  3. Step 3: Cross multiply
    558,839,739,254.40x = 838,259,608,881.60 × 307,203,701,212.80
  4. Step 4: Simplify right side
    558,839,739,254.40x = 257,516,454,425,621,625,307,136
  5. Step 5: Solve for x
    x = 257,516,454,425,621,625,307,136/558,839,739,254.40
  6. Step 6: Final answer
    x = 460,805,551,819.20

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Double scale
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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.