Home / 721,024,853.01-1,081,525,460.61-229,731,448.74

Finding the Fourth Proportional to 721,024,853.01, 1,081,525,460.61 and 229,731,448.74

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Solution

The fourth proportional to 721,024,853.01, 1,081,525,460.61 and 229,731,448.74 is: 344,593,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,024,853.01 : 1,081,525,460.61 = 229,731,448.74 : x
  2. Step 2: Convert to fraction form
    721,024,853.01/1,081,525,460.61 = 229,731,448.74/x
  3. Step 3: Cross multiply
    721,024,853.01x = 1,081,525,460.61 × 229,731,448.74
  4. Step 4: Simplify right side
    721,024,853.01x = 248,460,410,916,984,960
  5. Step 5: Solve for x
    x = 248,460,410,916,984,960/721,024,853.01
  6. Step 6: Final answer
    x = 344,593,407.40

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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.