Home / 30,445,131,808.72-42,013,766,393.68-17,078,837,960.08

Finding the Fourth Proportional to 30,445,131,808.72, 42,013,766,393.68 and 17,078,837,960.08

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Solution

The fourth proportional to 30,445,131,808.72, 42,013,766,393.68 and 17,078,837,960.08 is: 23,568,507,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,445,131,808.72 : 42,013,766,393.68 = 17,078,837,960.08 : x
  2. Step 2: Convert to fraction form
    30,445,131,808.72/42,013,766,393.68 = 17,078,837,960.08/x
  3. Step 3: Cross multiply
    30,445,131,808.72x = 42,013,766,393.68 × 17,078,837,960.08
  4. Step 4: Simplify right side
    30,445,131,808.72x = 717,546,308,330,315,448,320
  5. Step 5: Solve for x
    x = 717,546,308,330,315,448,320/30,445,131,808.72
  6. Step 6: Final answer
    x = 23,568,507,203.01

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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.