Home / 18,657,909,939.60-25,610,860,672.38-16,496,007,951.60

Finding the Fourth Proportional to 18,657,909,939.60, 25,610,860,672.38 and 16,496,007,951.60

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Solution

The fourth proportional to 18,657,909,939.60, 25,610,860,672.38 and 16,496,007,951.60 is: 22,643,316,570.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657,909,939.60 : 25,610,860,672.38 = 16,496,007,951.60 : x
  2. Step 2: Convert to fraction form
    18,657,909,939.60/25,610,860,672.38 = 16,496,007,951.60/x
  3. Step 3: Cross multiply
    18,657,909,939.60x = 25,610,860,672.38 × 16,496,007,951.60
  4. Step 4: Simplify right side
    18,657,909,939.60x = 422,476,961,298,900,254,720
  5. Step 5: Solve for x
    x = 422,476,961,298,900,254,720/18,657,909,939.60
  6. Step 6: Final answer
    x = 22,643,316,570.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.