Home / 396,331,431.60-594,497,147.40-286,925,444.40

Finding the Fourth Proportional to 396,331,431.60, 594,497,147.40 and 286,925,444.40

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Solution

The fourth proportional to 396,331,431.60, 594,497,147.40 and 286,925,444.40 is: 430,388,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,331,431.60 : 594,497,147.40 = 286,925,444.40 : x
  2. Step 2: Convert to fraction form
    396,331,431.60/594,497,147.40 = 286,925,444.40/x
  3. Step 3: Cross multiply
    396,331,431.60x = 594,497,147.40 × 286,925,444.40
  4. Step 4: Simplify right side
    396,331,431.60x = 170,576,358,212,277,280
  5. Step 5: Solve for x
    x = 170,576,358,212,277,280/396,331,431.60
  6. Step 6: Final answer
    x = 430,388,166.60

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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.