Home / 1,107,064,922.10-1,660,849,325.55-646,766,157.30

Finding the Fourth Proportional to 1,107,064,922.10, 1,660,849,325.55 and 646,766,157.30

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Solution

The fourth proportional to 1,107,064,922.10, 1,660,849,325.55 and 646,766,157.30 is: 970,296,424.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,064,922.10 : 1,660,849,325.55 = 646,766,157.30 : x
  2. Step 2: Convert to fraction form
    1,107,064,922.10/1,660,849,325.55 = 646,766,157.30/x
  3. Step 3: Cross multiply
    1,107,064,922.10x = 1,660,849,325.55 × 646,766,157.30
  4. Step 4: Simplify right side
    1,107,064,922.10x = 1,074,181,136,140,270,080
  5. Step 5: Solve for x
    x = 1,074,181,136,140,270,080/1,107,064,922.10
  6. Step 6: Final answer
    x = 970,296,424.99

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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.