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Finding the Fourth Proportional to 535,888,930.40, 803,833,395.60 and 531,353,967.20

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Solution

The fourth proportional to 535,888,930.40, 803,833,395.60 and 531,353,967.20 is: 797,030,950.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,888,930.40 : 803,833,395.60 = 531,353,967.20 : x
  2. Step 2: Convert to fraction form
    535,888,930.40/803,833,395.60 = 531,353,967.20/x
  3. Step 3: Cross multiply
    535,888,930.40x = 803,833,395.60 × 531,353,967.20
  4. Step 4: Simplify right side
    535,888,930.40x = 427,120,063,719,907,008
  5. Step 5: Solve for x
    x = 427,120,063,719,907,008/535,888,930.40
  6. Step 6: Final answer
    x = 797,030,950.80

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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.