Home / 359,170,393,006.96-538,756,987,261.20-86,894,205,051.61

Finding the Fourth Proportional to 359,170,393,006.96, 538,756,987,261.20 and 86,894,205,051.61

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Solution

The fourth proportional to 359,170,393,006.96, 538,756,987,261.20 and 86,894,205,051.61 is: 130,341,645,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,170,393,006.96 : 538,756,987,261.20 = 86,894,205,051.61 : x
  2. Step 2: Convert to fraction form
    359,170,393,006.96/538,756,987,261.20 = 86,894,205,051.61/x
  3. Step 3: Cross multiply
    359,170,393,006.96x = 538,756,987,261.20 × 86,894,205,051.61
  4. Step 4: Simplify right side
    359,170,393,006.96x = 46,814,860,124,062,352,408,576
  5. Step 5: Solve for x
    x = 46,814,860,124,062,352,408,576/359,170,393,006.96
  6. Step 6: Final answer
    x = 130,341,645,735.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.