Home / 8,651,771,978.40-12,977,657,967.60-5,743,726,826.40

Finding the Fourth Proportional to 8,651,771,978.40, 12,977,657,967.60 and 5,743,726,826.40

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Solution

The fourth proportional to 8,651,771,978.40, 12,977,657,967.60 and 5,743,726,826.40 is: 8,615,590,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,771,978.40 : 12,977,657,967.60 = 5,743,726,826.40 : x
  2. Step 2: Convert to fraction form
    8,651,771,978.40/12,977,657,967.60 = 5,743,726,826.40/x
  3. Step 3: Cross multiply
    8,651,771,978.40x = 12,977,657,967.60 × 5,743,726,826.40
  4. Step 4: Simplify right side
    8,651,771,978.40x = 74,540,122,212,347,822,080
  5. Step 5: Solve for x
    x = 74,540,122,212,347,822,080/8,651,771,978.40
  6. Step 6: Final answer
    x = 8,615,590,239.60

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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.