Home / 14,702,021,031.80-20,290,504,287.12-8,359,339,225.40

Finding the Fourth Proportional to 14,702,021,031.80, 20,290,504,287.12 and 8,359,339,225.40

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Solution

The fourth proportional to 14,702,021,031.80, 20,290,504,287.12 and 8,359,339,225.40 is: 11,536,863,402.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702,021,031.80 : 20,290,504,287.12 = 8,359,339,225.40 : x
  2. Step 2: Convert to fraction form
    14,702,021,031.80/20,290,504,287.12 = 8,359,339,225.40/x
  3. Step 3: Cross multiply
    14,702,021,031.80x = 20,290,504,287.12 × 8,359,339,225.40
  4. Step 4: Simplify right side
    14,702,021,031.80x = 169,615,208,390,469,058,560
  5. Step 5: Solve for x
    x = 169,615,208,390,469,058,560/14,702,021,031.80
  6. Step 6: Final answer
    x = 11,536,863,402.90

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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.