Home / 12,709,285,971.83-19,066,686,813.08-3,865,894,984.21

Finding the Fourth Proportional to 12,709,285,971.83, 19,066,686,813.08 and 3,865,894,984.21

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Solution

The fourth proportional to 12,709,285,971.83, 19,066,686,813.08 and 3,865,894,984.21 is: 5,799,681,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709,285,971.83 : 19,066,686,813.08 = 3,865,894,984.21 : x
  2. Step 2: Convert to fraction form
    12,709,285,971.83/19,066,686,813.08 = 3,865,894,984.21/x
  3. Step 3: Cross multiply
    12,709,285,971.83x = 19,066,686,813.08 × 3,865,894,984.21
  4. Step 4: Simplify right side
    12,709,285,971.83x = 73,709,808,916,188,930,048
  5. Step 5: Solve for x
    x = 73,709,808,916,188,930,048/12,709,285,971.83
  6. Step 6: Final answer
    x = 5,799,681,357.36

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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.