Home / 357,695,999.70-536,543,999.55-343,587,225.30

Finding the Fourth Proportional to 357,695,999.70, 536,543,999.55 and 343,587,225.30

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Solution

The fourth proportional to 357,695,999.70, 536,543,999.55 and 343,587,225.30 is: 515,380,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,695,999.70 : 536,543,999.55 = 343,587,225.30 : x
  2. Step 2: Convert to fraction form
    357,695,999.70/536,543,999.55 = 343,587,225.30/x
  3. Step 3: Cross multiply
    357,695,999.70x = 536,543,999.55 × 343,587,225.30
  4. Step 4: Simplify right side
    357,695,999.70x = 184,349,664,056,748,960
  5. Step 5: Solve for x
    x = 184,349,664,056,748,960/357,695,999.70
  6. Step 6: Final answer
    x = 515,380,837.95

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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.