Home / 3,129,310,366.65-4,693,965,549.98-947,993,067.45

Finding the Fourth Proportional to 3,129,310,366.65, 4,693,965,549.98 and 947,993,067.45

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Solution

The fourth proportional to 3,129,310,366.65, 4,693,965,549.98 and 947,993,067.45 is: 1,421,989,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,310,366.65 : 4,693,965,549.98 = 947,993,067.45 : x
  2. Step 2: Convert to fraction form
    3,129,310,366.65/4,693,965,549.98 = 947,993,067.45/x
  3. Step 3: Cross multiply
    3,129,310,366.65x = 4,693,965,549.98 × 947,993,067.45
  4. Step 4: Simplify right side
    3,129,310,366.65x = 4,449,846,800,225,426,944
  5. Step 5: Solve for x
    x = 4,449,846,800,225,426,944/3,129,310,366.65
  6. Step 6: Final answer
    x = 1,421,989,601.18

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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.