Home / 436,770,144,005.60-655,155,216,008.40-213,064,944,312.80

Finding the Fourth Proportional to 436,770,144,005.60, 655,155,216,008.40 and 213,064,944,312.80

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Solution

The fourth proportional to 436,770,144,005.60, 655,155,216,008.40 and 213,064,944,312.80 is: 319,597,416,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,770,144,005.60 : 655,155,216,008.40 = 213,064,944,312.80 : x
  2. Step 2: Convert to fraction form
    436,770,144,005.60/655,155,216,008.40 = 213,064,944,312.80/x
  3. Step 3: Cross multiply
    436,770,144,005.60x = 655,155,216,008.40 × 213,064,944,312.80
  4. Step 4: Simplify right side
    436,770,144,005.60x = 139,590,609,615,070,194,302,976
  5. Step 5: Solve for x
    x = 139,590,609,615,070,194,302,976/436,770,144,005.60
  6. Step 6: Final answer
    x = 319,597,416,469.20

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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.