Home / 1,252,374,877.84-1,876,928,135.72-699,654,980.20

Finding the Fourth Proportional to 1,252,374,877.84, 1,876,928,135.72 and 699,654,980.20

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Solution

The fourth proportional to 1,252,374,877.84, 1,876,928,135.72 and 699,654,980.20 is: 1,048,569,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,374,877.84 : 1,876,928,135.72 = 699,654,980.20 : x
  2. Step 2: Convert to fraction form
    1,252,374,877.84/1,876,928,135.72 = 699,654,980.20/x
  3. Step 3: Cross multiply
    1,252,374,877.84x = 1,876,928,135.72 × 699,654,980.20
  4. Step 4: Simplify right side
    1,252,374,877.84x = 1,313,202,117,633,999,616
  5. Step 5: Solve for x
    x = 1,313,202,117,633,999,616/1,252,374,877.84
  6. Step 6: Final answer
    x = 1,048,569,514.50

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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.