Home / 381,703,611.60-572,555,417.40-322,581,128.40

Finding the Fourth Proportional to 381,703,611.60, 572,555,417.40 and 322,581,128.40

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Solution

The fourth proportional to 381,703,611.60, 572,555,417.40 and 322,581,128.40 is: 483,871,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,703,611.60 : 572,555,417.40 = 322,581,128.40 : x
  2. Step 2: Convert to fraction form
    381,703,611.60/572,555,417.40 = 322,581,128.40/x
  3. Step 3: Cross multiply
    381,703,611.60x = 572,555,417.40 × 322,581,128.40
  4. Step 4: Simplify right side
    381,703,611.60x = 184,695,572,616,424,960
  5. Step 5: Solve for x
    x = 184,695,572,616,424,960/381,703,611.60
  6. Step 6: Final answer
    x = 483,871,692.60

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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.