Home / 556,440,018.42-834,720,563.80-206,645,054.08

Finding the Fourth Proportional to 556,440,018.42, 834,720,563.80 and 206,645,054.08

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Solution

The fourth proportional to 556,440,018.42, 834,720,563.80 and 206,645,054.08 is: 309,990,062.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,440,018.42 : 834,720,563.80 = 206,645,054.08 : x
  2. Step 2: Convert to fraction form
    556,440,018.42/834,720,563.80 = 206,645,054.08/x
  3. Step 3: Cross multiply
    556,440,018.42x = 834,720,563.80 × 206,645,054.08
  4. Step 4: Simplify right side
    556,440,018.42x = 172,490,876,048,139,104
  5. Step 5: Solve for x
    x = 172,490,876,048,139,104/556,440,018.42
  6. Step 6: Final answer
    x = 309,990,062.43

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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.