Home / 729,051,653.56-1,005,983,053.17-442,794,216.80

Finding the Fourth Proportional to 729,051,653.56, 1,005,983,053.17 and 442,794,216.80

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Solution

The fourth proportional to 729,051,653.56, 1,005,983,053.17 and 442,794,216.80 is: 610,990,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,051,653.56 : 1,005,983,053.17 = 442,794,216.80 : x
  2. Step 2: Convert to fraction form
    729,051,653.56/1,005,983,053.17 = 442,794,216.80/x
  3. Step 3: Cross multiply
    729,051,653.56x = 1,005,983,053.17 × 442,794,216.80
  4. Step 4: Simplify right side
    729,051,653.56x = 445,443,478,142,482,880
  5. Step 5: Solve for x
    x = 445,443,478,142,482,880/729,051,653.56
  6. Step 6: Final answer
    x = 610,990,285.76

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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.