Home / 1,252,374,877.36-1,876,928,134.95-699,654,979.72

Finding the Fourth Proportional to 1,252,374,877.36, 1,876,928,134.95 and 699,654,979.72

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Solution

The fourth proportional to 1,252,374,877.36, 1,876,928,134.95 and 699,654,979.72 is: 1,048,569,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,374,877.36 : 1,876,928,134.95 = 699,654,979.72 : x
  2. Step 2: Convert to fraction form
    1,252,374,877.36/1,876,928,134.95 = 699,654,979.72/x
  3. Step 3: Cross multiply
    1,252,374,877.36x = 1,876,928,134.95 × 699,654,979.72
  4. Step 4: Simplify right side
    1,252,374,877.36x = 1,313,202,116,184,955,136
  5. Step 5: Solve for x
    x = 1,313,202,116,184,955,136/1,252,374,877.36
  6. Step 6: Final answer
    x = 1,048,569,513.75

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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.