Home / 18,389,169,482.64-25,377,052,915.04-9,930,992,445.52

Finding the Fourth Proportional to 18,389,169,482.64, 25,377,052,915.04 and 9,930,992,445.52

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Solution

The fourth proportional to 18,389,169,482.64, 25,377,052,915.04 and 9,930,992,445.52 is: 13,704,769,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,169,482.64 : 25,377,052,915.04 = 9,930,992,445.52 : x
  2. Step 2: Convert to fraction form
    18,389,169,482.64/25,377,052,915.04 = 9,930,992,445.52/x
  3. Step 3: Cross multiply
    18,389,169,482.64x = 25,377,052,915.04 × 9,930,992,445.52
  4. Step 4: Simplify right side
    18,389,169,482.64x = 252,019,320,788,823,539,712
  5. Step 5: Solve for x
    x = 252,019,320,788,823,539,712/18,389,169,482.64
  6. Step 6: Final answer
    x = 13,704,769,050.43

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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.