Home / 8,308,507,415.20-12,462,761,122.80-2,492,417,111.20

Finding the Fourth Proportional to 8,308,507,415.20, 12,462,761,122.80 and 2,492,417,111.20

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Solution

The fourth proportional to 8,308,507,415.20, 12,462,761,122.80 and 2,492,417,111.20 is: 3,738,625,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,507,415.20 : 12,462,761,122.80 = 2,492,417,111.20 : x
  2. Step 2: Convert to fraction form
    8,308,507,415.20/12,462,761,122.80 = 2,492,417,111.20/x
  3. Step 3: Cross multiply
    8,308,507,415.20x = 12,462,761,122.80 × 2,492,417,111.20
  4. Step 4: Simplify right side
    8,308,507,415.20x = 31,062,399,075,264,839,680
  5. Step 5: Solve for x
    x = 31,062,399,075,264,839,680/8,308,507,415.20
  6. Step 6: Final answer
    x = 3,738,625,666.80

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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.