Home / 13,977,805,725.66-19,289,789,629.47-7,634,472,805.74

Finding the Fourth Proportional to 13,977,805,725.66, 19,289,789,629.47 and 7,634,472,805.74

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Solution

The fourth proportional to 13,977,805,725.66, 19,289,789,629.47 and 7,634,472,805.74 is: 10,535,800,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977,805,725.66 : 19,289,789,629.47 = 7,634,472,805.74 : x
  2. Step 2: Convert to fraction form
    13,977,805,725.66/19,289,789,629.47 = 7,634,472,805.74/x
  3. Step 3: Cross multiply
    13,977,805,725.66x = 19,289,789,629.47 × 7,634,472,805.74
  4. Step 4: Simplify right side
    13,977,805,725.66x = 147,267,374,354,634,194,944
  5. Step 5: Solve for x
    x = 147,267,374,354,634,194,944/13,977,805,725.66
  6. Step 6: Final answer
    x = 10,535,800,628.87

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.