Home / 531,552,003.20-797,328,004.80-326,414,902.40

Finding the Fourth Proportional to 531,552,003.20, 797,328,004.80 and 326,414,902.40

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Solution

The fourth proportional to 531,552,003.20, 797,328,004.80 and 326,414,902.40 is: 489,622,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,552,003.20 : 797,328,004.80 = 326,414,902.40 : x
  2. Step 2: Convert to fraction form
    531,552,003.20/797,328,004.80 = 326,414,902.40/x
  3. Step 3: Cross multiply
    531,552,003.20x = 797,328,004.80 × 326,414,902.40
  4. Step 4: Simplify right side
    531,552,003.20x = 260,259,742,867,578,688
  5. Step 5: Solve for x
    x = 260,259,742,867,578,688/531,552,003.20
  6. Step 6: Final answer
    x = 489,622,353.60

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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.