Home / 2,145,329,344.76-3,216,257,449.83-670,710,108.51

Finding the Fourth Proportional to 2,145,329,344.76, 3,216,257,449.83 and 670,710,108.51

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Solution

The fourth proportional to 2,145,329,344.76, 3,216,257,449.83 and 670,710,108.51 is: 1,005,522,246.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,329,344.76 : 3,216,257,449.83 = 670,710,108.51 : x
  2. Step 2: Convert to fraction form
    2,145,329,344.76/3,216,257,449.83 = 670,710,108.51/x
  3. Step 3: Cross multiply
    2,145,329,344.76x = 3,216,257,449.83 × 670,710,108.51
  4. Step 4: Simplify right side
    2,145,329,344.76x = 2,157,176,383,171,575,040
  5. Step 5: Solve for x
    x = 2,157,176,383,171,575,040/2,145,329,344.76
  6. Step 6: Final answer
    x = 1,005,522,246.94

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1.5x scale

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.