Home / 430,596,008.40-645,894,012.60-246,174,171.60

Finding the Fourth Proportional to 430,596,008.40, 645,894,012.60 and 246,174,171.60

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Solution

The fourth proportional to 430,596,008.40, 645,894,012.60 and 246,174,171.60 is: 369,261,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,596,008.40 : 645,894,012.60 = 246,174,171.60 : x
  2. Step 2: Convert to fraction form
    430,596,008.40/645,894,012.60 = 246,174,171.60/x
  3. Step 3: Cross multiply
    430,596,008.40x = 645,894,012.60 × 246,174,171.60
  4. Step 4: Simplify right side
    430,596,008.40x = 159,002,423,493,204,960
  5. Step 5: Solve for x
    x = 159,002,423,493,204,960/430,596,008.40
  6. Step 6: Final answer
    x = 369,261,257.40

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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.