Home / 2,136,236,851.40-3,204,355,277.10-1,309,739,808.20

Finding the Fourth Proportional to 2,136,236,851.40, 3,204,355,277.10 and 1,309,739,808.20

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Solution

The fourth proportional to 2,136,236,851.40, 3,204,355,277.10 and 1,309,739,808.20 is: 1,964,609,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,236,851.40 : 3,204,355,277.10 = 1,309,739,808.20 : x
  2. Step 2: Convert to fraction form
    2,136,236,851.40/3,204,355,277.10 = 1,309,739,808.20/x
  3. Step 3: Cross multiply
    2,136,236,851.40x = 3,204,355,277.10 × 1,309,739,808.20
  4. Step 4: Simplify right side
    2,136,236,851.40x = 4,196,871,666,033,611,776
  5. Step 5: Solve for x
    x = 4,196,871,666,033,611,776/2,136,236,851.40
  6. Step 6: Final answer
    x = 1,964,609,712.30

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Double scale
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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.