Home / 407,781,255.10-611,976,506.33-276,311,802.82

Finding the Fourth Proportional to 407,781,255.10, 611,976,506.33 and 276,311,802.82

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Solution

The fourth proportional to 407,781,255.10, 611,976,506.33 and 276,311,802.82 is: 414,674,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,781,255.10 : 611,976,506.33 = 276,311,802.82 : x
  2. Step 2: Convert to fraction form
    407,781,255.10/611,976,506.33 = 276,311,802.82/x
  3. Step 3: Cross multiply
    407,781,255.10x = 611,976,506.33 × 276,311,802.82
  4. Step 4: Simplify right side
    407,781,255.10x = 169,096,331,748,712,000
  5. Step 5: Solve for x
    x = 169,096,331,748,712,000/407,781,255.10
  6. Step 6: Final answer
    x = 414,674,116.66

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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.