Home / 756,906,828.52-1,044,531,462.63-417,815,393.76

Finding the Fourth Proportional to 756,906,828.52, 1,044,531,462.63 and 417,815,393.76

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Solution

The fourth proportional to 756,906,828.52, 1,044,531,462.63 and 417,815,393.76 is: 576,585,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,906,828.52 : 1,044,531,462.63 = 417,815,393.76 : x
  2. Step 2: Convert to fraction form
    756,906,828.52/1,044,531,462.63 = 417,815,393.76/x
  3. Step 3: Cross multiply
    756,906,828.52x = 1,044,531,462.63 × 417,815,393.76
  4. Step 4: Simplify right side
    756,906,828.52x = 436,421,324,356,825,600
  5. Step 5: Solve for x
    x = 436,421,324,356,825,600/756,906,828.52
  6. Step 6: Final answer
    x = 576,585,265.07

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1.5x scale

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.