Home / 8,761,977,619.86-12,091,539,743.81-4,747,644,784.23

Finding the Fourth Proportional to 8,761,977,619.86, 12,091,539,743.81 and 4,747,644,784.23

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Solution

The fourth proportional to 8,761,977,619.86, 12,091,539,743.81 and 4,747,644,784.23 is: 6,551,755,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,977,619.86 : 12,091,539,743.81 = 4,747,644,784.23 : x
  2. Step 2: Convert to fraction form
    8,761,977,619.86/12,091,539,743.81 = 4,747,644,784.23/x
  3. Step 3: Cross multiply
    8,761,977,619.86x = 12,091,539,743.81 × 4,747,644,784.23
  4. Step 4: Simplify right side
    8,761,977,619.86x = 57,406,335,598,009,286,656
  5. Step 5: Solve for x
    x = 57,406,335,598,009,286,656/8,761,977,619.86
  6. Step 6: Final answer
    x = 6,551,755,561.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.