Home / 347,681,378,412.80-521,522,067,619.20-284,867,603,129.60

Finding the Fourth Proportional to 347,681,378,412.80, 521,522,067,619.20 and 284,867,603,129.60

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Solution

The fourth proportional to 347,681,378,412.80, 521,522,067,619.20 and 284,867,603,129.60 is: 427,301,404,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,681,378,412.80 : 521,522,067,619.20 = 284,867,603,129.60 : x
  2. Step 2: Convert to fraction form
    347,681,378,412.80/521,522,067,619.20 = 284,867,603,129.60/x
  3. Step 3: Cross multiply
    347,681,378,412.80x = 521,522,067,619.20 × 284,867,603,129.60
  4. Step 4: Simplify right side
    347,681,378,412.80x = 148,564,741,381,874,679,545,856
  5. Step 5: Solve for x
    x = 148,564,741,381,874,679,545,856/347,681,378,412.80
  6. Step 6: Final answer
    x = 427,301,404,694.40

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1.5x scale

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.