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Finding the Fourth Proportional to 531,443,225.60, 797,164,838.40 and 482,975,806.40

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Solution

The fourth proportional to 531,443,225.60, 797,164,838.40 and 482,975,806.40 is: 724,463,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,443,225.60 : 797,164,838.40 = 482,975,806.40 : x
  2. Step 2: Convert to fraction form
    531,443,225.60/797,164,838.40 = 482,975,806.40/x
  3. Step 3: Cross multiply
    531,443,225.60x = 797,164,838.40 × 482,975,806.40
  4. Step 4: Simplify right side
    531,443,225.60x = 385,011,330,659,965,632
  5. Step 5: Solve for x
    x = 385,011,330,659,965,632/531,443,225.60
  6. Step 6: Final answer
    x = 724,463,709.60

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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.