Home / 487,727,238.18-731,426,856.63-176,769,761.22

Finding the Fourth Proportional to 487,727,238.18, 731,426,856.63 and 176,769,761.22

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Solution

The fourth proportional to 487,727,238.18, 731,426,856.63 and 176,769,761.22 is: 265,095,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,727,238.18 : 731,426,856.63 = 176,769,761.22 : x
  2. Step 2: Convert to fraction form
    487,727,238.18/731,426,856.63 = 176,769,761.22/x
  3. Step 3: Cross multiply
    487,727,238.18x = 731,426,856.63 × 176,769,761.22
  4. Step 4: Simplify right side
    487,727,238.18x = 129,294,150,796,380,272
  5. Step 5: Solve for x
    x = 129,294,150,796,380,272/487,727,238.18
  6. Step 6: Final answer
    x = 265,095,202.14

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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.