Home / 499,981,174.77-689,964,789.66-276,957,962.93

Finding the Fourth Proportional to 499,981,174.77, 689,964,789.66 and 276,957,962.93

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Solution

The fourth proportional to 499,981,174.77, 689,964,789.66 and 276,957,962.93 is: 382,196,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,981,174.77 : 689,964,789.66 = 276,957,962.93 : x
  2. Step 2: Convert to fraction form
    499,981,174.77/689,964,789.66 = 276,957,962.93/x
  3. Step 3: Cross multiply
    499,981,174.77x = 689,964,789.66 × 276,957,962.93
  4. Step 4: Simplify right side
    499,981,174.77x = 191,091,242,634,209,696
  5. Step 5: Solve for x
    x = 191,091,242,634,209,696/499,981,174.77
  6. Step 6: Final answer
    x = 382,196,875.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.