Home / 20,473,600,528.95-30,710,400,793.43-9,987,419,293.35

Finding the Fourth Proportional to 20,473,600,528.95, 30,710,400,793.43 and 9,987,419,293.35

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Solution

The fourth proportional to 20,473,600,528.95, 30,710,400,793.43 and 9,987,419,293.35 is: 14,981,128,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473,600,528.95 : 30,710,400,793.43 = 9,987,419,293.35 : x
  2. Step 2: Convert to fraction form
    20,473,600,528.95/30,710,400,793.43 = 9,987,419,293.35/x
  3. Step 3: Cross multiply
    20,473,600,528.95x = 30,710,400,793.43 × 9,987,419,293.35
  4. Step 4: Simplify right side
    20,473,600,528.95x = 306,717,649,390,763,966,464
  5. Step 5: Solve for x
    x = 306,717,649,390,763,966,464/20,473,600,528.95
  6. Step 6: Final answer
    x = 14,981,128,940.03

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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.