Home / 3,931,649,455.27-5,425,640,308.18-2,147,502,373.09

Finding the Fourth Proportional to 3,931,649,455.27, 5,425,640,308.18 and 2,147,502,373.09

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Solution

The fourth proportional to 3,931,649,455.27, 5,425,640,308.18 and 2,147,502,373.09 is: 2,963,533,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,649,455.27 : 5,425,640,308.18 = 2,147,502,373.09 : x
  2. Step 2: Convert to fraction form
    3,931,649,455.27/5,425,640,308.18 = 2,147,502,373.09/x
  3. Step 3: Cross multiply
    3,931,649,455.27x = 5,425,640,308.18 × 2,147,502,373.09
  4. Step 4: Simplify right side
    3,931,649,455.27x = 11,651,575,437,349,310,464
  5. Step 5: Solve for x
    x = 11,651,575,437,349,310,464/3,931,649,455.27
  6. Step 6: Final answer
    x = 2,963,533,644.06

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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.