Home / 572,557,709.20-858,836,563.80-265,747,853.20

Finding the Fourth Proportional to 572,557,709.20, 858,836,563.80 and 265,747,853.20

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Solution

The fourth proportional to 572,557,709.20, 858,836,563.80 and 265,747,853.20 is: 398,621,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,557,709.20 : 858,836,563.80 = 265,747,853.20 : x
  2. Step 2: Convert to fraction form
    572,557,709.20/858,836,563.80 = 265,747,853.20/x
  3. Step 3: Cross multiply
    572,557,709.20x = 858,836,563.80 × 265,747,853.20
  4. Step 4: Simplify right side
    572,557,709.20x = 228,233,973,079,514,816
  5. Step 5: Solve for x
    x = 228,233,973,079,514,816/572,557,709.20
  6. Step 6: Final answer
    x = 398,621,779.80

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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.