Home / 386,465,687.88-533,324,968.62-210,254,947.32

Finding the Fourth Proportional to 386,465,687.88, 533,324,968.62 and 210,254,947.32

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Solution

The fourth proportional to 386,465,687.88, 533,324,968.62 and 210,254,947.32 is: 290,153,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,465,687.88 : 533,324,968.62 = 210,254,947.32 : x
  2. Step 2: Convert to fraction form
    386,465,687.88/533,324,968.62 = 210,254,947.32/x
  3. Step 3: Cross multiply
    386,465,687.88x = 533,324,968.62 × 210,254,947.32
  4. Step 4: Simplify right side
    386,465,687.88x = 112,134,213,181,638,752
  5. Step 5: Solve for x
    x = 112,134,213,181,638,752/386,465,687.88
  6. Step 6: Final answer
    x = 290,153,089.13

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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.