Home / 699,514,823.80-1,049,272,235.70-214,777,646.20

Finding the Fourth Proportional to 699,514,823.80, 1,049,272,235.70 and 214,777,646.20

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Solution

The fourth proportional to 699,514,823.80, 1,049,272,235.70 and 214,777,646.20 is: 322,166,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,514,823.80 : 1,049,272,235.70 = 214,777,646.20 : x
  2. Step 2: Convert to fraction form
    699,514,823.80/1,049,272,235.70 = 214,777,646.20/x
  3. Step 3: Cross multiply
    699,514,823.80x = 1,049,272,235.70 × 214,777,646.20
  4. Step 4: Simplify right side
    699,514,823.80x = 225,360,221,006,657,600
  5. Step 5: Solve for x
    x = 225,360,221,006,657,600/699,514,823.80
  6. Step 6: Final answer
    x = 322,166,469.30

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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.