Home / 853,634,884.52-1,177,655,420.00-571,468,234.96

Finding the Fourth Proportional to 853,634,884.52, 1,177,655,420.00 and 571,468,234.96

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Solution

The fourth proportional to 853,634,884.52, 1,177,655,420.00 and 571,468,234.96 is: 788,384,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,634,884.52 : 1,177,655,420.00 = 571,468,234.96 : x
  2. Step 2: Convert to fraction form
    853,634,884.52/1,177,655,420.00 = 571,468,234.96/x
  3. Step 3: Cross multiply
    853,634,884.52x = 1,177,655,420.00 × 571,468,234.96
  4. Step 4: Simplify right side
    853,634,884.52x = 672,992,664,256,962,048
  5. Step 5: Solve for x
    x = 672,992,664,256,962,048/853,634,884.52
  6. Step 6: Final answer
    x = 788,384,678.81

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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.