Home / 386,714,400.04-533,672,674.50-210,507,460.12

Finding the Fourth Proportional to 386,714,400.04, 533,672,674.50 and 210,507,460.12

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Solution

The fourth proportional to 386,714,400.04, 533,672,674.50 and 210,507,460.12 is: 290,503,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,714,400.04 : 533,672,674.50 = 210,507,460.12 : x
  2. Step 2: Convert to fraction form
    386,714,400.04/533,672,674.50 = 210,507,460.12/x
  3. Step 3: Cross multiply
    386,714,400.04x = 533,672,674.50 × 210,507,460.12
  4. Step 4: Simplify right side
    386,714,400.04x = 112,342,079,244,442,496
  5. Step 5: Solve for x
    x = 112,342,079,244,442,496/386,714,400.04
  6. Step 6: Final answer
    x = 290,503,997.87

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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.