Home / 429,734,962.71-644,601,639.31-134,652,672.27

Finding the Fourth Proportional to 429,734,962.71, 644,601,639.31 and 134,652,672.27

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Solution

The fourth proportional to 429,734,962.71, 644,601,639.31 and 134,652,672.27 is: 201,978,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,734,962.71 : 644,601,639.31 = 134,652,672.27 : x
  2. Step 2: Convert to fraction form
    429,734,962.71/644,601,639.31 = 134,652,672.27/x
  3. Step 3: Cross multiply
    429,734,962.71x = 644,601,639.31 × 134,652,672.27
  4. Step 4: Simplify right side
    429,734,962.71x = 86,797,333,282,714,176
  5. Step 5: Solve for x
    x = 86,797,333,282,714,176/429,734,962.71
  6. Step 6: Final answer
    x = 201,978,756.24

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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.