Home / 535,439,856.80-803,159,785.20-305,857,344.80

Finding the Fourth Proportional to 535,439,856.80, 803,159,785.20 and 305,857,344.80

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Solution

The fourth proportional to 535,439,856.80, 803,159,785.20 and 305,857,344.80 is: 458,786,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,439,856.80 : 803,159,785.20 = 305,857,344.80 : x
  2. Step 2: Convert to fraction form
    535,439,856.80/803,159,785.20 = 305,857,344.80/x
  3. Step 3: Cross multiply
    535,439,856.80x = 803,159,785.20 × 305,857,344.80
  4. Step 4: Simplify right side
    535,439,856.80x = 245,652,319,351,410,368
  5. Step 5: Solve for x
    x = 245,652,319,351,410,368/535,439,856.80
  6. Step 6: Final answer
    x = 458,786,017.20

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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.