Home / 638,258,895.54-956,047,600.05-404,969,524.64

Finding the Fourth Proportional to 638,258,895.54, 956,047,600.05 and 404,969,524.64

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Solution

The fourth proportional to 638,258,895.54, 956,047,600.05 and 404,969,524.64 is: 606,603,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,258,895.54 : 956,047,600.05 = 404,969,524.64 : x
  2. Step 2: Convert to fraction form
    638,258,895.54/956,047,600.05 = 404,969,524.64/x
  3. Step 3: Cross multiply
    638,258,895.54x = 956,047,600.05 × 404,969,524.64
  4. Step 4: Simplify right side
    638,258,895.54x = 387,170,142,129,264,064
  5. Step 5: Solve for x
    x = 387,170,142,129,264,064/638,258,895.54
  6. Step 6: Final answer
    x = 606,603,597.43

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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.