Home / 1,171,416,874.20-1,755,889,933.32-384,264,981.60

Finding the Fourth Proportional to 1,171,416,874.20, 1,755,889,933.32 and 384,264,981.60

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Solution

The fourth proportional to 1,171,416,874.20, 1,755,889,933.32 and 384,264,981.60 is: 575,992,225.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,416,874.20 : 1,755,889,933.32 = 384,264,981.60 : x
  2. Step 2: Convert to fraction form
    1,171,416,874.20/1,755,889,933.32 = 384,264,981.60/x
  3. Step 3: Cross multiply
    1,171,416,874.20x = 1,755,889,933.32 × 384,264,981.60
  4. Step 4: Simplify right side
    1,171,416,874.20x = 674,727,012,918,835,072
  5. Step 5: Solve for x
    x = 674,727,012,918,835,072/1,171,416,874.20
  6. Step 6: Final answer
    x = 575,992,225.98

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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.