Home / 704,544,005.20-1,056,816,007.80-219,806,827.60

Finding the Fourth Proportional to 704,544,005.20, 1,056,816,007.80 and 219,806,827.60

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Solution

The fourth proportional to 704,544,005.20, 1,056,816,007.80 and 219,806,827.60 is: 329,710,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,544,005.20 : 1,056,816,007.80 = 219,806,827.60 : x
  2. Step 2: Convert to fraction form
    704,544,005.20/1,056,816,007.80 = 219,806,827.60/x
  3. Step 3: Cross multiply
    704,544,005.20x = 1,056,816,007.80 × 219,806,827.60
  4. Step 4: Simplify right side
    704,544,005.20x = 232,295,374,031,414,848
  5. Step 5: Solve for x
    x = 232,295,374,031,414,848/704,544,005.20
  6. Step 6: Final answer
    x = 329,710,241.40

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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.