Home / 30,556,290,811.97-42,167,683,348.28-17,007,637,209.85

Finding the Fourth Proportional to 30,556,290,811.97, 42,167,683,348.28 and 17,007,637,209.85

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Solution

The fourth proportional to 30,556,290,811.97, 42,167,683,348.28 and 17,007,637,209.85 is: 23,470,540,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556,290,811.97 : 42,167,683,348.28 = 17,007,637,209.85 : x
  2. Step 2: Convert to fraction form
    30,556,290,811.97/42,167,683,348.28 = 17,007,637,209.85/x
  3. Step 3: Cross multiply
    30,556,290,811.97x = 42,167,683,348.28 × 17,007,637,209.85
  4. Step 4: Simplify right side
    30,556,290,811.97x = 717,172,660,367,379,136,512
  5. Step 5: Solve for x
    x = 717,172,660,367,379,136,512/30,556,290,811.97
  6. Step 6: Final answer
    x = 23,470,540,478.24

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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.