Home / 531,432,816.80-797,149,225.20-186,775,613.60

Finding the Fourth Proportional to 531,432,816.80, 797,149,225.20 and 186,775,613.60

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Solution

The fourth proportional to 531,432,816.80, 797,149,225.20 and 186,775,613.60 is: 280,163,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,432,816.80 : 797,149,225.20 = 186,775,613.60 : x
  2. Step 2: Convert to fraction form
    531,432,816.80/797,149,225.20 = 186,775,613.60/x
  3. Step 3: Cross multiply
    531,432,816.80x = 797,149,225.20 × 186,775,613.60
  4. Step 4: Simplify right side
    531,432,816.80x = 148,888,035,667,494,592
  5. Step 5: Solve for x
    x = 148,888,035,667,494,592/531,432,816.80
  6. Step 6: Final answer
    x = 280,163,420.40

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1.5x scale

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.