Home / 1,113,048,004.20-1,669,572,006.30-386,036,716.20

Finding the Fourth Proportional to 1,113,048,004.20, 1,669,572,006.30 and 386,036,716.20

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Solution

The fourth proportional to 1,113,048,004.20, 1,669,572,006.30 and 386,036,716.20 is: 579,055,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,048,004.20 : 1,669,572,006.30 = 386,036,716.20 : x
  2. Step 2: Convert to fraction form
    1,113,048,004.20/1,669,572,006.30 = 386,036,716.20/x
  3. Step 3: Cross multiply
    1,113,048,004.20x = 1,669,572,006.30 × 386,036,716.20
  4. Step 4: Simplify right side
    1,113,048,004.20x = 644,516,094,771,497,728
  5. Step 5: Solve for x
    x = 644,516,094,771,497,728/1,113,048,004.20
  6. Step 6: Final answer
    x = 579,055,074.30

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Double scale
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Similar ratio
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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.