Home / 749,265,744.80-1,123,443,505.20-375,338,763.25

Finding the Fourth Proportional to 749,265,744.80, 1,123,443,505.20 and 375,338,763.25

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Solution

The fourth proportional to 749,265,744.80, 1,123,443,505.20 and 375,338,763.25 is: 562,780,160.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,265,744.80 : 1,123,443,505.20 = 375,338,763.25 : x
  2. Step 2: Convert to fraction form
    749,265,744.80/1,123,443,505.20 = 375,338,763.25/x
  3. Step 3: Cross multiply
    749,265,744.80x = 1,123,443,505.20 × 375,338,763.25
  4. Step 4: Simplify right side
    749,265,744.80x = 421,671,895,823,012,992
  5. Step 5: Solve for x
    x = 421,671,895,823,012,992/749,265,744.80
  6. Step 6: Final answer
    x = 562,780,160.11

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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.