Home / 347,255,377,615.21-520,704,217,381.50-155,863,339,659.22

Finding the Fourth Proportional to 347,255,377,615.21, 520,704,217,381.50 and 155,863,339,659.22

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Solution

The fourth proportional to 347,255,377,615.21, 520,704,217,381.50 and 155,863,339,659.22 is: 233,714,734,248.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,255,377,615.21 : 520,704,217,381.50 = 155,863,339,659.22 : x
  2. Step 2: Convert to fraction form
    347,255,377,615.21/520,704,217,381.50 = 155,863,339,659.22/x
  3. Step 3: Cross multiply
    347,255,377,615.21x = 520,704,217,381.50 × 155,863,339,659.22
  4. Step 4: Simplify right side
    347,255,377,615.21x = 81,158,698,295,721,054,961,664
  5. Step 5: Solve for x
    x = 81,158,698,295,721,054,961,664/347,255,377,615.21
  6. Step 6: Final answer
    x = 233,714,734,248.56

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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.