Home / 8,148,762,000.40-12,222,009,259.80-2,628,578,045.20

Finding the Fourth Proportional to 8,148,762,000.40, 12,222,009,259.80 and 2,628,578,045.20

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Solution

The fourth proportional to 8,148,762,000.40, 12,222,009,259.80 and 2,628,578,045.20 is: 3,942,501,352.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,762,000.40 : 12,222,009,259.80 = 2,628,578,045.20 : x
  2. Step 2: Convert to fraction form
    8,148,762,000.40/12,222,009,259.80 = 2,628,578,045.20/x
  3. Step 3: Cross multiply
    8,148,762,000.40x = 12,222,009,259.80 × 2,628,578,045.20
  4. Step 4: Simplify right side
    8,148,762,000.40x = 32,126,505,208,541,380,608
  5. Step 5: Solve for x
    x = 32,126,505,208,541,380,608/8,148,762,000.40
  6. Step 6: Final answer
    x = 3,942,501,352.59

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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.