Home / 19,285,081,574.38-28,931,347,666.27-7,332,404,579.77

Finding the Fourth Proportional to 19,285,081,574.38, 28,931,347,666.27 and 7,332,404,579.77

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Solution

The fourth proportional to 19,285,081,574.38, 28,931,347,666.27 and 7,332,404,579.77 is: 11,000,023,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285,081,574.38 : 28,931,347,666.27 = 7,332,404,579.77 : x
  2. Step 2: Convert to fraction form
    19,285,081,574.38/28,931,347,666.27 = 7,332,404,579.77/x
  3. Step 3: Cross multiply
    19,285,081,574.38x = 28,931,347,666.27 × 7,332,404,579.77
  4. Step 4: Simplify right side
    19,285,081,574.38x = 212,136,346,127,003,910,144
  5. Step 5: Solve for x
    x = 212,136,346,127,003,910,144/19,285,081,574.38
  6. Step 6: Final answer
    x = 11,000,023,272.33

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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.