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Finding the Fourth Proportional to 892,573,801.20, 1,338,860,701.80 and 795,638,962.80

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Solution

The fourth proportional to 892,573,801.20, 1,338,860,701.80 and 795,638,962.80 is: 1,193,458,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,573,801.20 : 1,338,860,701.80 = 795,638,962.80 : x
  2. Step 2: Convert to fraction form
    892,573,801.20/1,338,860,701.80 = 795,638,962.80/x
  3. Step 3: Cross multiply
    892,573,801.20x = 1,338,860,701.80 × 795,638,962.80
  4. Step 4: Simplify right side
    892,573,801.20x = 1,065,249,740,113,831,936
  5. Step 5: Solve for x
    x = 1,065,249,740,113,831,936/892,573,801.20
  6. Step 6: Final answer
    x = 1,193,458,444.20

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1.5x scale

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.