Home / 13,836,475,978.49-19,094,355,263.99-7,492,854,751.64

Finding the Fourth Proportional to 13,836,475,978.49, 19,094,355,263.99 and 7,492,854,751.64

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Solution

The fourth proportional to 13,836,475,978.49, 19,094,355,263.99 and 7,492,854,751.64 is: 10,340,149,528.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836,475,978.49 : 19,094,355,263.99 = 7,492,854,751.64 : x
  2. Step 2: Convert to fraction form
    13,836,475,978.49/19,094,355,263.99 = 7,492,854,751.64/x
  3. Step 3: Cross multiply
    13,836,475,978.49x = 19,094,355,263.99 × 7,492,854,751.64
  4. Step 4: Simplify right side
    13,836,475,978.49x = 143,071,230,569,329,950,720
  5. Step 5: Solve for x
    x = 143,071,230,569,329,950,720/13,836,475,978.49
  6. Step 6: Final answer
    x = 10,340,149,528.81

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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.