Home / 566,421,784.07-781,558,297.05-315,519,932.02

Finding the Fourth Proportional to 566,421,784.07, 781,558,297.05 and 315,519,932.02

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Solution

The fourth proportional to 566,421,784.07, 781,558,297.05 and 315,519,932.02 is: 435,359,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,421,784.07 : 781,558,297.05 = 315,519,932.02 : x
  2. Step 2: Convert to fraction form
    566,421,784.07/781,558,297.05 = 315,519,932.02/x
  3. Step 3: Cross multiply
    566,421,784.07x = 781,558,297.05 × 315,519,932.02
  4. Step 4: Simplify right side
    566,421,784.07x = 246,597,220,755,573,824
  5. Step 5: Solve for x
    x = 246,597,220,755,573,824/566,421,784.07
  6. Step 6: Final answer
    x = 435,359,704.89

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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.