Home / 798,361,801.70-1,197,542,702.55-453,182,051.30

Finding the Fourth Proportional to 798,361,801.70, 1,197,542,702.55 and 453,182,051.30

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Solution

The fourth proportional to 798,361,801.70, 1,197,542,702.55 and 453,182,051.30 is: 679,773,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,361,801.70 : 1,197,542,702.55 = 453,182,051.30 : x
  2. Step 2: Convert to fraction form
    798,361,801.70/1,197,542,702.55 = 453,182,051.30/x
  3. Step 3: Cross multiply
    798,361,801.70x = 1,197,542,702.55 × 453,182,051.30
  4. Step 4: Simplify right side
    798,361,801.70x = 542,704,858,460,954,752
  5. Step 5: Solve for x
    x = 542,704,858,460,954,752/798,361,801.70
  6. Step 6: Final answer
    x = 679,773,076.95

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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.