Home / 12,131,658,033.40-18,197,487,050.10-9,927,665,918.20

Finding the Fourth Proportional to 12,131,658,033.40, 18,197,487,050.10 and 9,927,665,918.20

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Solution

The fourth proportional to 12,131,658,033.40, 18,197,487,050.10 and 9,927,665,918.20 is: 14,891,498,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,658,033.40 : 18,197,487,050.10 = 9,927,665,918.20 : x
  2. Step 2: Convert to fraction form
    12,131,658,033.40/18,197,487,050.10 = 9,927,665,918.20/x
  3. Step 3: Cross multiply
    12,131,658,033.40x = 18,197,487,050.10 × 9,927,665,918.20
  4. Step 4: Simplify right side
    12,131,658,033.40x = 180,658,571,984,163,635,200
  5. Step 5: Solve for x
    x = 180,658,571,984,163,635,200/12,131,658,033.40
  6. Step 6: Final answer
    x = 14,891,498,877.30

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Double scale
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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.