Home / 8,628,444,006.40-12,942,666,009.60-8,289,833,420.80

Finding the Fourth Proportional to 8,628,444,006.40, 12,942,666,009.60 and 8,289,833,420.80

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Solution

The fourth proportional to 8,628,444,006.40, 12,942,666,009.60 and 8,289,833,420.80 is: 12,434,750,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,444,006.40 : 12,942,666,009.60 = 8,289,833,420.80 : x
  2. Step 2: Convert to fraction form
    8,628,444,006.40/12,942,666,009.60 = 8,289,833,420.80/x
  3. Step 3: Cross multiply
    8,628,444,006.40x = 12,942,666,009.60 × 8,289,833,420.80
  4. Step 4: Simplify right side
    8,628,444,006.40x = 107,292,545,240,634,261,504
  5. Step 5: Solve for x
    x = 107,292,545,240,634,261,504/8,628,444,006.40
  6. Step 6: Final answer
    x = 12,434,750,131.20

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Double scale
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Similar ratio
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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.