Home / 869,556,304.89-1,199,997,215.87-473,081,548.41

Finding the Fourth Proportional to 869,556,304.89, 1,199,997,215.87 and 473,081,548.41

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Solution

The fourth proportional to 869,556,304.89, 1,199,997,215.87 and 473,081,548.41 is: 652,857,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,556,304.89 : 1,199,997,215.87 = 473,081,548.41 : x
  2. Step 2: Convert to fraction form
    869,556,304.89/1,199,997,215.87 = 473,081,548.41/x
  3. Step 3: Cross multiply
    869,556,304.89x = 1,199,997,215.87 × 473,081,548.41
  4. Step 4: Simplify right side
    869,556,304.89x = 567,696,540,969,103,232
  5. Step 5: Solve for x
    x = 567,696,540,969,103,232/869,556,304.89
  6. Step 6: Final answer
    x = 652,857,713.50

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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.