Home / 19,285,081,571.76-28,931,347,662.36-7,332,404,577.13

Finding the Fourth Proportional to 19,285,081,571.76, 28,931,347,662.36 and 7,332,404,577.13

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Solution

The fourth proportional to 19,285,081,571.76, 28,931,347,662.36 and 7,332,404,577.13 is: 11,000,023,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,081,571.76 : 28,931,347,662.36 = 7,332,404,577.13 : x
  2. Step 2: Convert to fraction form
    19,285,081,571.76/28,931,347,662.36 = 7,332,404,577.13/x
  3. Step 3: Cross multiply
    19,285,081,571.76x = 28,931,347,662.36 × 7,332,404,577.13
  4. Step 4: Simplify right side
    19,285,081,571.76x = 212,136,346,022,027,788,288
  5. Step 5: Solve for x
    x = 212,136,346,022,027,788,288/19,285,081,571.76
  6. Step 6: Final answer
    x = 11,000,023,268.38

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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.