Home / 704,045,007.20-1,056,167,043.60-219,320,271.20

Finding the Fourth Proportional to 704,045,007.20, 1,056,167,043.60 and 219,320,271.20

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Solution

The fourth proportional to 704,045,007.20, 1,056,167,043.60 and 219,320,271.20 is: 329,011,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,045,007.20 : 1,056,167,043.60 = 219,320,271.20 : x
  2. Step 2: Convert to fraction form
    704,045,007.20/1,056,167,043.60 = 219,320,271.20/x
  3. Step 3: Cross multiply
    704,045,007.20x = 1,056,167,043.60 × 219,320,271.20
  4. Step 4: Simplify right side
    704,045,007.20x = 231,638,842,434,854,208
  5. Step 5: Solve for x
    x = 231,638,842,434,854,208/704,045,007.20
  6. Step 6: Final answer
    x = 329,011,412.72

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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.