Home / 30,628,166,098.46-42,266,909,932.40-16,894,649,563.54

Finding the Fourth Proportional to 30,628,166,098.46, 42,266,909,932.40 and 16,894,649,563.54

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Solution

The fourth proportional to 30,628,166,098.46, 42,266,909,932.40 and 16,894,649,563.54 is: 23,314,638,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628,166,098.46 : 42,266,909,932.40 = 16,894,649,563.54 : x
  2. Step 2: Convert to fraction form
    30,628,166,098.46/42,266,909,932.40 = 16,894,649,563.54/x
  3. Step 3: Cross multiply
    30,628,166,098.46x = 42,266,909,932.40 × 16,894,649,563.54
  4. Step 4: Simplify right side
    30,628,166,098.46x = 714,084,631,441,310,220,288
  5. Step 5: Solve for x
    x = 714,084,631,441,310,220,288/30,628,166,098.46
  6. Step 6: Final answer
    x = 23,314,638,857.11

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.