Home / 996,552,448.20-1,494,828,672.30-415,421,714.70

Finding the Fourth Proportional to 996,552,448.20, 1,494,828,672.30 and 415,421,714.70

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Solution

The fourth proportional to 996,552,448.20, 1,494,828,672.30 and 415,421,714.70 is: 623,132,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,552,448.20 : 1,494,828,672.30 = 415,421,714.70 : x
  2. Step 2: Convert to fraction form
    996,552,448.20/1,494,828,672.30 = 415,421,714.70/x
  3. Step 3: Cross multiply
    996,552,448.20x = 1,494,828,672.30 × 415,421,714.70
  4. Step 4: Simplify right side
    996,552,448.20x = 620,984,290,229,590,400
  5. Step 5: Solve for x
    x = 620,984,290,229,590,400/996,552,448.20
  6. Step 6: Final answer
    x = 623,132,572.05

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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.