Home / 20,473,600,542.95-30,710,400,814.43-9,987,419,307.35

Finding the Fourth Proportional to 20,473,600,542.95, 30,710,400,814.43 and 9,987,419,307.35

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Solution

The fourth proportional to 20,473,600,542.95, 30,710,400,814.43 and 9,987,419,307.35 is: 14,981,128,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473,600,542.95 : 30,710,400,814.43 = 9,987,419,307.35 : x
  2. Step 2: Convert to fraction form
    20,473,600,542.95/30,710,400,814.43 = 9,987,419,307.35/x
  3. Step 3: Cross multiply
    20,473,600,542.95x = 30,710,400,814.43 × 9,987,419,307.35
  4. Step 4: Simplify right side
    20,473,600,542.95x = 306,717,650,030,495,334,400
  5. Step 5: Solve for x
    x = 306,717,650,030,495,334,400/20,473,600,542.95
  6. Step 6: Final answer
    x = 14,981,128,961.03

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Double scale
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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.