Home / 981,029,431.36-1,470,332,417.64-841,876,919.92

Finding the Fourth Proportional to 981,029,431.36, 1,470,332,417.64 and 841,876,919.92

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Solution

The fourth proportional to 981,029,431.36, 1,470,332,417.64 and 841,876,919.92 is: 1,261,775,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,029,431.36 : 1,470,332,417.64 = 841,876,919.92 : x
  2. Step 2: Convert to fraction form
    981,029,431.36/1,470,332,417.64 = 841,876,919.92/x
  3. Step 3: Cross multiply
    981,029,431.36x = 1,470,332,417.64 × 841,876,919.92
  4. Step 4: Simplify right side
    981,029,431.36x = 1,237,838,927,021,290,240
  5. Step 5: Solve for x
    x = 1,237,838,927,021,290,240/981,029,431.36
  6. Step 6: Final answer
    x = 1,261,775,526.25

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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.