Home / 889,830,000.40-1,334,745,000.60-526,137,149.20

Finding the Fourth Proportional to 889,830,000.40, 1,334,745,000.60 and 526,137,149.20

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Solution

The fourth proportional to 889,830,000.40, 1,334,745,000.60 and 526,137,149.20 is: 789,205,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,830,000.40 : 1,334,745,000.60 = 526,137,149.20 : x
  2. Step 2: Convert to fraction form
    889,830,000.40/1,334,745,000.60 = 526,137,149.20/x
  3. Step 3: Cross multiply
    889,830,000.40x = 1,334,745,000.60 × 526,137,149.20
  4. Step 4: Simplify right side
    889,830,000.40x = 702,258,929,524,636,160
  5. Step 5: Solve for x
    x = 702,258,929,524,636,160/889,830,000.40
  6. Step 6: Final answer
    x = 789,205,723.80

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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.