Home / 608,855,938.11-840,221,194.67-330,397,461.64

Finding the Fourth Proportional to 608,855,938.11, 840,221,194.67 and 330,397,461.64

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Solution

The fourth proportional to 608,855,938.11, 840,221,194.67 and 330,397,461.64 is: 455,948,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,855,938.11 : 840,221,194.67 = 330,397,461.64 : x
  2. Step 2: Convert to fraction form
    608,855,938.11/840,221,194.67 = 330,397,461.64/x
  3. Step 3: Cross multiply
    608,855,938.11x = 840,221,194.67 × 330,397,461.64
  4. Step 4: Simplify right side
    608,855,938.11x = 277,606,949,935,733,600
  5. Step 5: Solve for x
    x = 277,606,949,935,733,600/608,855,938.11
  6. Step 6: Final answer
    x = 455,948,497.11

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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.