Home / 1,447,968,813.89-2,171,973,401.36-412,829,696.21

Finding the Fourth Proportional to 1,447,968,813.89, 2,171,973,401.36 and 412,829,696.21

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Solution

The fourth proportional to 1,447,968,813.89, 2,171,973,401.36 and 412,829,696.21 is: 619,250,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,968,813.89 : 2,171,973,401.36 = 412,829,696.21 : x
  2. Step 2: Convert to fraction form
    1,447,968,813.89/2,171,973,401.36 = 412,829,696.21/x
  3. Step 3: Cross multiply
    1,447,968,813.89x = 2,171,973,401.36 × 412,829,696.21
  4. Step 4: Simplify right side
    1,447,968,813.89x = 896,655,119,446,725,120
  5. Step 5: Solve for x
    x = 896,655,119,446,725,120/1,447,968,813.89
  6. Step 6: Final answer
    x = 619,250,297.97

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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.