Home / 762,542,258.69-1,052,250,566.50-427,950,160.55

Finding the Fourth Proportional to 762,542,258.69, 1,052,250,566.50 and 427,950,160.55

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Solution

The fourth proportional to 762,542,258.69, 1,052,250,566.50 and 427,950,160.55 is: 590,538,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,542,258.69 : 1,052,250,566.50 = 427,950,160.55 : x
  2. Step 2: Convert to fraction form
    762,542,258.69/1,052,250,566.50 = 427,950,160.55/x
  3. Step 3: Cross multiply
    762,542,258.69x = 1,052,250,566.50 × 427,950,160.55
  4. Step 4: Simplify right side
    762,542,258.69x = 450,310,798,871,744,448
  5. Step 5: Solve for x
    x = 450,310,798,871,744,448/762,542,258.69
  6. Step 6: Final answer
    x = 590,538,811.11

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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.