Home / 12,698,642,610.43-19,048,705,275.84-3,855,769,949.01

Finding the Fourth Proportional to 12,698,642,610.43, 19,048,705,275.84 and 3,855,769,949.01

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Solution

The fourth proportional to 12,698,642,610.43, 19,048,705,275.84 and 3,855,769,949.01 is: 5,783,880,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698,642,610.43 : 19,048,705,275.84 = 3,855,769,949.01 : x
  2. Step 2: Convert to fraction form
    12,698,642,610.43/19,048,705,275.84 = 3,855,769,949.01/x
  3. Step 3: Cross multiply
    12,698,642,610.43x = 19,048,705,275.84 × 3,855,769,949.01
  4. Step 4: Simplify right side
    12,698,642,610.43x = 73,447,425,370,132,119,552
  5. Step 5: Solve for x
    x = 73,447,425,370,132,119,552/12,698,642,610.43
  6. Step 6: Final answer
    x = 5,783,880,027.45

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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.