Home / 359,170,393,005.28-538,756,987,258.65-86,894,205,049.90

Finding the Fourth Proportional to 359,170,393,005.28, 538,756,987,258.65 and 86,894,205,049.90

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Solution

The fourth proportional to 359,170,393,005.28, 538,756,987,258.65 and 86,894,205,049.90 is: 130,341,645,733.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,170,393,005.28 : 538,756,987,258.65 = 86,894,205,049.90 : x
  2. Step 2: Convert to fraction form
    359,170,393,005.28/538,756,987,258.65 = 86,894,205,049.90/x
  3. Step 3: Cross multiply
    359,170,393,005.28x = 538,756,987,258.65 × 86,894,205,049.90
  4. Step 4: Simplify right side
    359,170,393,005.28x = 46,814,860,122,919,496,843,264
  5. Step 5: Solve for x
    x = 46,814,860,122,919,496,843,264/359,170,393,005.28
  6. Step 6: Final answer
    x = 130,341,645,733.12

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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.