Home / 675,341,487,708.75-931,971,253,038.25-386,309,747,097.33

Finding the Fourth Proportional to 675,341,487,708.75, 931,971,253,038.25 and 386,309,747,097.33

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Solution

The fourth proportional to 675,341,487,708.75, 931,971,253,038.25 and 386,309,747,097.33 is: 533,107,450,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,341,487,708.75 : 931,971,253,038.25 = 386,309,747,097.33 : x
  2. Step 2: Convert to fraction form
    675,341,487,708.75/931,971,253,038.25 = 386,309,747,097.33/x
  3. Step 3: Cross multiply
    675,341,487,708.75x = 931,971,253,038.25 × 386,309,747,097.33
  4. Step 4: Simplify right side
    675,341,487,708.75x = 360,029,579,063,188,091,043,840
  5. Step 5: Solve for x
    x = 360,029,579,063,188,091,043,840/675,341,487,708.75
  6. Step 6: Final answer
    x = 533,107,450,994.42

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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.