Home / 1,209,239,651,886.80-1,668,750,655,786.50-653,044,725,274.73

Finding the Fourth Proportional to 1,209,239,651,886.80, 1,668,750,655,786.50 and 653,044,725,274.73

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Solution

The fourth proportional to 1,209,239,651,886.80, 1,668,750,655,786.50 and 653,044,725,274.73 is: 901,201,686,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,239,651,886.80 : 1,668,750,655,786.50 = 653,044,725,274.73 : x
  2. Step 2: Convert to fraction form
    1,209,239,651,886.80/1,668,750,655,786.50 = 653,044,725,274.73/x
  3. Step 3: Cross multiply
    1,209,239,651,886.80x = 1,668,750,655,786.50 × 653,044,725,274.73
  4. Step 4: Simplify right side
    1,209,239,651,886.80x = 1,089,768,813,560,120,425,316,352
  5. Step 5: Solve for x
    x = 1,089,768,813,560,120,425,316,352/1,209,239,651,886.80
  6. Step 6: Final answer
    x = 901,201,686,414.88

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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.