Home / 721,024,849.58-1,081,525,455.45-229,731,445.31

Finding the Fourth Proportional to 721,024,849.58, 1,081,525,455.45 and 229,731,445.31

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Solution

The fourth proportional to 721,024,849.58, 1,081,525,455.45 and 229,731,445.31 is: 344,593,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,024,849.58 : 1,081,525,455.45 = 229,731,445.31 : x
  2. Step 2: Convert to fraction form
    721,024,849.58/1,081,525,455.45 = 229,731,445.31/x
  3. Step 3: Cross multiply
    721,024,849.58x = 1,081,525,455.45 × 229,731,445.31
  4. Step 4: Simplify right side
    721,024,849.58x = 248,460,406,014,676,896
  5. Step 5: Solve for x
    x = 248,460,406,014,676,896/721,024,849.58
  6. Step 6: Final answer
    x = 344,593,402.24

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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.