Home / 3,438,006,209.70-5,157,009,314.55-984,343,112.70

Finding the Fourth Proportional to 3,438,006,209.70, 5,157,009,314.55 and 984,343,112.70

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Solution

The fourth proportional to 3,438,006,209.70, 5,157,009,314.55 and 984,343,112.70 is: 1,476,514,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,006,209.70 : 5,157,009,314.55 = 984,343,112.70 : x
  2. Step 2: Convert to fraction form
    3,438,006,209.70/5,157,009,314.55 = 984,343,112.70/x
  3. Step 3: Cross multiply
    3,438,006,209.70x = 5,157,009,314.55 × 984,343,112.70
  4. Step 4: Simplify right side
    3,438,006,209.70x = 5,076,266,600,907,040,768
  5. Step 5: Solve for x
    x = 5,076,266,600,907,040,768/3,438,006,209.70
  6. Step 6: Final answer
    x = 1,476,514,669.05

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Double scale
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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.