Home / 748,964,266.40-1,123,449,898.80-264,290,074.40

Finding the Fourth Proportional to 748,964,266.40, 1,123,449,898.80 and 264,290,074.40

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Solution

The fourth proportional to 748,964,266.40, 1,123,449,898.80 and 264,290,074.40 is: 396,436,346.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,964,266.40 : 1,123,449,898.80 = 264,290,074.40 : x
  2. Step 2: Convert to fraction form
    748,964,266.40/1,123,449,898.80 = 264,290,074.40/x
  3. Step 3: Cross multiply
    748,964,266.40x = 1,123,449,898.80 × 264,290,074.40
  4. Step 4: Simplify right side
    748,964,266.40x = 296,916,657,338,524,480
  5. Step 5: Solve for x
    x = 296,916,657,338,524,480/748,964,266.40
  6. Step 6: Final answer
    x = 396,436,346.38

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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.