Home / 1,385,283,358.68-2,081,240,000.82-888,267,639.21

Finding the Fourth Proportional to 1,385,283,358.68, 2,081,240,000.82 and 888,267,639.21

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Solution

The fourth proportional to 1,385,283,358.68, 2,081,240,000.82 and 888,267,639.21 is: 1,334,527,070.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,283,358.68 : 2,081,240,000.82 = 888,267,639.21 : x
  2. Step 2: Convert to fraction form
    1,385,283,358.68/2,081,240,000.82 = 888,267,639.21/x
  3. Step 3: Cross multiply
    1,385,283,358.68x = 2,081,240,000.82 × 888,267,639.21
  4. Step 4: Simplify right side
    1,385,283,358.68x = 1,848,698,142,157,799,936
  5. Step 5: Solve for x
    x = 1,848,698,142,157,799,936/1,385,283,358.68
  6. Step 6: Final answer
    x = 1,334,527,070.27

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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.