Home / 562,364,213.43-776,003,533.92-311,462,032.65

Finding the Fourth Proportional to 562,364,213.43, 776,003,533.92 and 311,462,032.65

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Solution

The fourth proportional to 562,364,213.43, 776,003,533.92 and 311,462,032.65 is: 429,784,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,364,213.43 : 776,003,533.92 = 311,462,032.65 : x
  2. Step 2: Convert to fraction form
    562,364,213.43/776,003,533.92 = 311,462,032.65/x
  3. Step 3: Cross multiply
    562,364,213.43x = 776,003,533.92 × 311,462,032.65
  4. Step 4: Simplify right side
    562,364,213.43x = 241,695,638,018,306,400
  5. Step 5: Solve for x
    x = 241,695,638,018,306,400/562,364,213.43
  6. Step 6: Final answer
    x = 429,784,883.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.