Home / 366,678,032.40-550,017,048.60-280,584,590.40

Finding the Fourth Proportional to 366,678,032.40, 550,017,048.60 and 280,584,590.40

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Solution

The fourth proportional to 366,678,032.40, 550,017,048.60 and 280,584,590.40 is: 420,876,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,678,032.40 : 550,017,048.60 = 280,584,590.40 : x
  2. Step 2: Convert to fraction form
    366,678,032.40/550,017,048.60 = 280,584,590.40/x
  3. Step 3: Cross multiply
    366,678,032.40x = 550,017,048.60 × 280,584,590.40
  4. Step 4: Simplify right side
    366,678,032.40x = 154,326,308,294,447,872
  5. Step 5: Solve for x
    x = 154,326,308,294,447,872/366,678,032.40
  6. Step 6: Final answer
    x = 420,876,885.60

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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.