Home / 355,919,815.74-533,685,100.20-282,614,486.79

Finding the Fourth Proportional to 355,919,815.74, 533,685,100.20 and 282,614,486.79

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Solution

The fourth proportional to 355,919,815.74, 533,685,100.20 and 282,614,486.79 is: 423,767,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,919,815.74 : 533,685,100.20 = 282,614,486.79 : x
  2. Step 2: Convert to fraction form
    355,919,815.74/533,685,100.20 = 282,614,486.79/x
  3. Step 3: Cross multiply
    355,919,815.74x = 533,685,100.20 × 282,614,486.79
  4. Step 4: Simplify right side
    355,919,815.74x = 150,827,140,700,492,736
  5. Step 5: Solve for x
    x = 150,827,140,700,492,736/355,919,815.74
  6. Step 6: Final answer
    x = 423,767,191.46

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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.