Home / 20,174,359,372.32-30,235,290,523.02-8,208,666,986.07

Finding the Fourth Proportional to 20,174,359,372.32, 30,235,290,523.02 and 8,208,666,986.07

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Solution

The fourth proportional to 20,174,359,372.32, 30,235,290,523.02 and 8,208,666,986.07 is: 12,302,320,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,359,372.32 : 30,235,290,523.02 = 8,208,666,986.07 : x
  2. Step 2: Convert to fraction form
    20,174,359,372.32/30,235,290,523.02 = 8,208,666,986.07/x
  3. Step 3: Cross multiply
    20,174,359,372.32x = 30,235,290,523.02 × 8,208,666,986.07
  4. Step 4: Simplify right side
    20,174,359,372.32x = 248,191,431,130,549,420,032
  5. Step 5: Solve for x
    x = 248,191,431,130,549,420,032/20,174,359,372.32
  6. Step 6: Final answer
    x = 12,302,320,314.13

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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.