Home / 853,634,654.25-1,177,655,102.49-571,468,004.93

Finding the Fourth Proportional to 853,634,654.25, 1,177,655,102.49 and 571,468,004.93

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Solution

The fourth proportional to 853,634,654.25, 1,177,655,102.49 and 571,468,004.93 is: 788,384,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,634,654.25 : 1,177,655,102.49 = 571,468,004.93 : x
  2. Step 2: Convert to fraction form
    853,634,654.25/1,177,655,102.49 = 571,468,004.93/x
  3. Step 3: Cross multiply
    853,634,654.25x = 1,177,655,102.49 × 571,468,004.93
  4. Step 4: Simplify right side
    853,634,654.25x = 672,992,211,909,706,624
  5. Step 5: Solve for x
    x = 672,992,211,909,706,624/853,634,654.25
  6. Step 6: Final answer
    x = 788,384,361.58

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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.