Home / 12,607,577,868.80-18,911,366,803.20-7,383,300,262.40

Finding the Fourth Proportional to 12,607,577,868.80, 18,911,366,803.20 and 7,383,300,262.40

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Solution

The fourth proportional to 12,607,577,868.80, 18,911,366,803.20 and 7,383,300,262.40 is: 11,074,950,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,577,868.80 : 18,911,366,803.20 = 7,383,300,262.40 : x
  2. Step 2: Convert to fraction form
    12,607,577,868.80/18,911,366,803.20 = 7,383,300,262.40/x
  3. Step 3: Cross multiply
    12,607,577,868.80x = 18,911,366,803.20 × 7,383,300,262.40
  4. Step 4: Simplify right side
    12,607,577,868.80x = 139,628,299,480,409,210,880
  5. Step 5: Solve for x
    x = 139,628,299,480,409,210,880/12,607,577,868.80
  6. Step 6: Final answer
    x = 11,074,950,393.60

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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.