Home / 445,662,302.10-668,493,453.15-215,654,637.30

Finding the Fourth Proportional to 445,662,302.10, 668,493,453.15 and 215,654,637.30

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Solution

The fourth proportional to 445,662,302.10, 668,493,453.15 and 215,654,637.30 is: 323,481,955.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,662,302.10 : 668,493,453.15 = 215,654,637.30 : x
  2. Step 2: Convert to fraction form
    445,662,302.10/668,493,453.15 = 215,654,637.30/x
  3. Step 3: Cross multiply
    445,662,302.10x = 668,493,453.15 × 215,654,637.30
  4. Step 4: Simplify right side
    445,662,302.10x = 144,163,713,176,487,808
  5. Step 5: Solve for x
    x = 144,163,713,176,487,808/445,662,302.10
  6. Step 6: Final answer
    x = 323,481,955.95

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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.