Home / 6,403,953,237.38-8,836,972,950.67-3,897,549,935.54

Finding the Fourth Proportional to 6,403,953,237.38, 8,836,972,950.67 and 3,897,549,935.54

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Solution

The fourth proportional to 6,403,953,237.38, 8,836,972,950.67 and 3,897,549,935.54 is: 5,378,325,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,953,237.38 : 8,836,972,950.67 = 3,897,549,935.54 : x
  2. Step 2: Convert to fraction form
    6,403,953,237.38/8,836,972,950.67 = 3,897,549,935.54/x
  3. Step 3: Cross multiply
    6,403,953,237.38x = 8,836,972,950.67 × 3,897,549,935.54
  4. Step 4: Simplify right side
    6,403,953,237.38x = 34,442,543,354,252,582,912
  5. Step 5: Solve for x
    x = 34,442,543,354,252,582,912/6,403,953,237.38
  6. Step 6: Final answer
    x = 5,378,325,243.42

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Double scale
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1.5x scale

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.