Home / 1,389,622,335.96-2,084,500,540.98-456,924,532.80

Finding the Fourth Proportional to 1,389,622,335.96, 2,084,500,540.98 and 456,924,532.80

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Solution

The fourth proportional to 1,389,622,335.96, 2,084,500,540.98 and 456,924,532.80 is: 685,408,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,622,335.96 : 2,084,500,540.98 = 456,924,532.80 : x
  2. Step 2: Convert to fraction form
    1,389,622,335.96/2,084,500,540.98 = 456,924,532.80/x
  3. Step 3: Cross multiply
    1,389,622,335.96x = 2,084,500,540.98 × 456,924,532.80
  4. Step 4: Simplify right side
    1,389,622,335.96x = 952,459,435,808,633,728
  5. Step 5: Solve for x
    x = 952,459,435,808,633,728/1,389,622,335.96
  6. Step 6: Final answer
    x = 685,408,841.78

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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.