Home / 430,735,233.60-646,102,850.40-421,169,295.60

Finding the Fourth Proportional to 430,735,233.60, 646,102,850.40 and 421,169,295.60

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Solution

The fourth proportional to 430,735,233.60, 646,102,850.40 and 421,169,295.60 is: 631,753,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,735,233.60 : 646,102,850.40 = 421,169,295.60 : x
  2. Step 2: Convert to fraction form
    430,735,233.60/646,102,850.40 = 421,169,295.60/x
  3. Step 3: Cross multiply
    430,735,233.60x = 646,102,850.40 × 421,169,295.60
  4. Step 4: Simplify right side
    430,735,233.60x = 272,118,682,388,120,192
  5. Step 5: Solve for x
    x = 272,118,682,388,120,192/430,735,233.60
  6. Step 6: Final answer
    x = 631,753,943.40

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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.