Home / 577,733,635.66-867,160,840.18-278,812,924.64

Finding the Fourth Proportional to 577,733,635.66, 867,160,840.18 and 278,812,924.64

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Solution

The fourth proportional to 577,733,635.66, 867,160,840.18 and 278,812,924.64 is: 418,489,828.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,733,635.66 : 867,160,840.18 = 278,812,924.64 : x
  2. Step 2: Convert to fraction form
    577,733,635.66/867,160,840.18 = 278,812,924.64/x
  3. Step 3: Cross multiply
    577,733,635.66x = 867,160,840.18 × 278,812,924.64
  4. Step 4: Simplify right side
    577,733,635.66x = 241,775,649,985,254,720
  5. Step 5: Solve for x
    x = 241,775,649,985,254,720/577,733,635.66
  6. Step 6: Final answer
    x = 418,489,828.29

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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.