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Finding the Fourth Proportional to 28,699,272,021.60, 43,048,908,032.40 and 28,699,272,021.60

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Solution

The fourth proportional to 28,699,272,021.60, 43,048,908,032.40 and 28,699,272,021.60 is: 43,048,908,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699,272,021.60 : 43,048,908,032.40 = 28,699,272,021.60 : x
  2. Step 2: Convert to fraction form
    28,699,272,021.60/43,048,908,032.40 = 28,699,272,021.60/x
  3. Step 3: Cross multiply
    28,699,272,021.60x = 43,048,908,032.40 × 28,699,272,021.60
  4. Step 4: Simplify right side
    28,699,272,021.60x = 1,235,472,321,854,688,722,944
  5. Step 5: Solve for x
    x = 1,235,472,321,854,688,722,944/28,699,272,021.60
  6. Step 6: Final answer
    x = 43,048,908,032.40

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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.