Home / 10,306,484,321.40-15,464,261,445.30-4,782,899,143.80

Finding the Fourth Proportional to 10,306,484,321.40, 15,464,261,445.30 and 4,782,899,143.80

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Solution

The fourth proportional to 10,306,484,321.40, 15,464,261,445.30 and 4,782,899,143.80 is: 7,176,453,242.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306,484,321.40 : 15,464,261,445.30 = 4,782,899,143.80 : x
  2. Step 2: Convert to fraction form
    10,306,484,321.40/15,464,261,445.30 = 4,782,899,143.80/x
  3. Step 3: Cross multiply
    10,306,484,321.40x = 15,464,261,445.30 × 4,782,899,143.80
  4. Step 4: Simplify right side
    10,306,484,321.40x = 73,964,002,826,224,713,728
  5. Step 5: Solve for x
    x = 73,964,002,826,224,713,728/10,306,484,321.40
  6. Step 6: Final answer
    x = 7,176,453,242.42

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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.