Home / 1,209,239,651,885.80-1,668,750,655,785.10-653,044,725,273.73

Finding the Fourth Proportional to 1,209,239,651,885.80, 1,668,750,655,785.10 and 653,044,725,273.73

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Solution

The fourth proportional to 1,209,239,651,885.80, 1,668,750,655,785.10 and 653,044,725,273.73 is: 901,201,686,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,239,651,885.80 : 1,668,750,655,785.10 = 653,044,725,273.73 : x
  2. Step 2: Convert to fraction form
    1,209,239,651,885.80/1,668,750,655,785.10 = 653,044,725,273.73/x
  3. Step 3: Cross multiply
    1,209,239,651,885.80x = 1,668,750,655,785.10 × 653,044,725,273.73
  4. Step 4: Simplify right side
    1,209,239,651,885.80x = 1,089,768,813,557,537,405,140,992
  5. Step 5: Solve for x
    x = 1,089,768,813,557,537,405,140,992/1,209,239,651,885.80
  6. Step 6: Final answer
    x = 901,201,686,413.48

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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.