Home / 782,281,168,336.95-1,173,421,752,505.40-223,936,499,152.95

Finding the Fourth Proportional to 782,281,168,336.95, 1,173,421,752,505.40 and 223,936,499,152.95

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Solution

The fourth proportional to 782,281,168,336.95, 1,173,421,752,505.40 and 223,936,499,152.95 is: 335,904,748,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,281,168,336.95 : 1,173,421,752,505.40 = 223,936,499,152.95 : x
  2. Step 2: Convert to fraction form
    782,281,168,336.95/1,173,421,752,505.40 = 223,936,499,152.95/x
  3. Step 3: Cross multiply
    782,281,168,336.95x = 1,173,421,752,505.40 × 223,936,499,152.95
  4. Step 4: Simplify right side
    782,281,168,336.95x = 262,771,959,285,978,593,492,992
  5. Step 5: Solve for x
    x = 262,771,959,285,978,593,492,992/782,281,168,336.95
  6. Step 6: Final answer
    x = 335,904,748,729.42

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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.