Home / 531,563,790.60-797,345,685.90-326,426,689.80

Finding the Fourth Proportional to 531,563,790.60, 797,345,685.90 and 326,426,689.80

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Solution

The fourth proportional to 531,563,790.60, 797,345,685.90 and 326,426,689.80 is: 489,640,034.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,563,790.60 : 797,345,685.90 = 326,426,689.80 : x
  2. Step 2: Convert to fraction form
    531,563,790.60/797,345,685.90 = 326,426,689.80/x
  3. Step 3: Cross multiply
    531,563,790.60x = 797,345,685.90 × 326,426,689.80
  4. Step 4: Simplify right side
    531,563,790.60x = 260,274,912,874,647,520
  5. Step 5: Solve for x
    x = 260,274,912,874,647,520/531,563,790.60
  6. Step 6: Final answer
    x = 489,640,034.70

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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.