Home / 1,435,590,524.58-2,153,402,932.96-400,388,421.30

Finding the Fourth Proportional to 1,435,590,524.58, 2,153,402,932.96 and 400,388,421.30

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Solution

The fourth proportional to 1,435,590,524.58, 2,153,402,932.96 and 400,388,421.30 is: 600,587,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,590,524.58 : 2,153,402,932.96 = 400,388,421.30 : x
  2. Step 2: Convert to fraction form
    1,435,590,524.58/2,153,402,932.96 = 400,388,421.30/x
  3. Step 3: Cross multiply
    1,435,590,524.58x = 2,153,402,932.96 × 400,388,421.30
  4. Step 4: Simplify right side
    1,435,590,524.58x = 862,197,600,743,049,344
  5. Step 5: Solve for x
    x = 862,197,600,743,049,344/1,435,590,524.58
  6. Step 6: Final answer
    x = 600,587,414.02

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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.