Home / 1,156,431,141.36-1,734,646,668.30-338,543,442.36

Finding the Fourth Proportional to 1,156,431,141.36, 1,734,646,668.30 and 338,543,442.36

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Solution

The fourth proportional to 1,156,431,141.36, 1,734,646,668.30 and 338,543,442.36 is: 507,815,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,431,141.36 : 1,734,646,668.30 = 338,543,442.36 : x
  2. Step 2: Convert to fraction form
    1,156,431,141.36/1,734,646,668.30 = 338,543,442.36/x
  3. Step 3: Cross multiply
    1,156,431,141.36x = 1,734,646,668.30 × 338,543,442.36
  4. Step 4: Simplify right side
    1,156,431,141.36x = 587,253,254,364,587,136
  5. Step 5: Solve for x
    x = 587,253,254,364,587,136/1,156,431,141.36
  6. Step 6: Final answer
    x = 507,815,150.74

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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.