Home / 455,771,654.48-628,964,032.20-246,932,987.60

Finding the Fourth Proportional to 455,771,654.48, 628,964,032.20 and 246,932,987.60

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Solution

The fourth proportional to 455,771,654.48, 628,964,032.20 and 246,932,987.60 is: 340,767,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,771,654.48 : 628,964,032.20 = 246,932,987.60 : x
  2. Step 2: Convert to fraction form
    455,771,654.48/628,964,032.20 = 246,932,987.60/x
  3. Step 3: Cross multiply
    455,771,654.48x = 628,964,032.20 × 246,932,987.60
  4. Step 4: Simplify right side
    455,771,654.48x = 155,311,967,564,088,608
  5. Step 5: Solve for x
    x = 155,311,967,564,088,608/455,771,654.48
  6. Step 6: Final answer
    x = 340,767,061.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.