Home / 456,199,256.40-682,955,191.80-429,623,998.80

Finding the Fourth Proportional to 456,199,256.40, 682,955,191.80 and 429,623,998.80

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Solution

The fourth proportional to 456,199,256.40, 682,955,191.80 and 429,623,998.80 is: 643,170,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,199,256.40 : 682,955,191.80 = 429,623,998.80 : x
  2. Step 2: Convert to fraction form
    456,199,256.40/682,955,191.80 = 429,623,998.80/x
  3. Step 3: Cross multiply
    456,199,256.40x = 682,955,191.80 × 429,623,998.80
  4. Step 4: Simplify right side
    456,199,256.40x = 293,413,940,502,336,960
  5. Step 5: Solve for x
    x = 293,413,940,502,336,960/456,199,256.40
  6. Step 6: Final answer
    x = 643,170,580.37

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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.