Home / 415,592,503.20-623,388,754.80-173,429,200.80

Finding the Fourth Proportional to 415,592,503.20, 623,388,754.80 and 173,429,200.80

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Solution

The fourth proportional to 415,592,503.20, 623,388,754.80 and 173,429,200.80 is: 260,143,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,592,503.20 : 623,388,754.80 = 173,429,200.80 : x
  2. Step 2: Convert to fraction form
    415,592,503.20/623,388,754.80 = 173,429,200.80/x
  3. Step 3: Cross multiply
    415,592,503.20x = 623,388,754.80 × 173,429,200.80
  4. Step 4: Simplify right side
    415,592,503.20x = 108,113,813,532,671,168
  5. Step 5: Solve for x
    x = 108,113,813,532,671,168/415,592,503.20
  6. Step 6: Final answer
    x = 260,143,801.20

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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.