Home / 430,638,832.90-645,188,425.35-262,070,704.90

Finding the Fourth Proportional to 430,638,832.90, 645,188,425.35 and 262,070,704.90

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Solution

The fourth proportional to 430,638,832.90, 645,188,425.35 and 262,070,704.90 is: 392,637,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,638,832.90 : 645,188,425.35 = 262,070,704.90 : x
  2. Step 2: Convert to fraction form
    430,638,832.90/645,188,425.35 = 262,070,704.90/x
  3. Step 3: Cross multiply
    430,638,832.90x = 645,188,425.35 × 262,070,704.90
  4. Step 4: Simplify right side
    430,638,832.90x = 169,084,985,424,795,552
  5. Step 5: Solve for x
    x = 169,084,985,424,795,552/430,638,832.90
  6. Step 6: Final answer
    x = 392,637,571.22

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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.