Home / 608,608,774.56-912,951,031.63-220,434,967.94

Finding the Fourth Proportional to 608,608,774.56, 912,951,031.63 and 220,434,967.94

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Solution

The fourth proportional to 608,608,774.56, 912,951,031.63 and 220,434,967.94 is: 330,666,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,608,774.56 : 912,951,031.63 = 220,434,967.94 : x
  2. Step 2: Convert to fraction form
    608,608,774.56/912,951,031.63 = 220,434,967.94/x
  3. Step 3: Cross multiply
    608,608,774.56x = 912,951,031.63 × 220,434,967.94
  4. Step 4: Simplify right side
    608,608,774.56x = 201,246,331,392,140,640
  5. Step 5: Solve for x
    x = 201,246,331,392,140,640/608,608,774.56
  6. Step 6: Final answer
    x = 330,666,168.16

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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.