Home / 677,487,218.40-1,016,230,827.60-367,550,827.20

Finding the Fourth Proportional to 677,487,218.40, 1,016,230,827.60 and 367,550,827.20

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Solution

The fourth proportional to 677,487,218.40, 1,016,230,827.60 and 367,550,827.20 is: 551,326,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,487,218.40 : 1,016,230,827.60 = 367,550,827.20 : x
  2. Step 2: Convert to fraction form
    677,487,218.40/1,016,230,827.60 = 367,550,827.20/x
  3. Step 3: Cross multiply
    677,487,218.40x = 1,016,230,827.60 × 367,550,827.20
  4. Step 4: Simplify right side
    677,487,218.40x = 373,516,481,310,520,576
  5. Step 5: Solve for x
    x = 373,516,481,310,520,576/677,487,218.40
  6. Step 6: Final answer
    x = 551,326,240.80

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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.