Home / 964,085,589.20-1,330,438,970.40-524,052,441.20

Finding the Fourth Proportional to 964,085,589.20, 1,330,438,970.40 and 524,052,441.20

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Solution

The fourth proportional to 964,085,589.20, 1,330,438,970.40 and 524,052,441.20 is: 723,192,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,085,589.20 : 1,330,438,970.40 = 524,052,441.20 : x
  2. Step 2: Convert to fraction form
    964,085,589.20/1,330,438,970.40 = 524,052,441.20/x
  3. Step 3: Cross multiply
    964,085,589.20x = 1,330,438,970.40 × 524,052,441.20
  4. Step 4: Simplify right side
    964,085,589.20x = 697,219,790,305,734,528
  5. Step 5: Solve for x
    x = 697,219,790,305,734,528/964,085,589.20
  6. Step 6: Final answer
    x = 723,192,834.86

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1.5x scale

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.