Home / 1,200,470,593.50-1,656,649,419.03-651,049,537.50

Finding the Fourth Proportional to 1,200,470,593.50, 1,656,649,419.03 and 651,049,537.50

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Solution

The fourth proportional to 1,200,470,593.50, 1,656,649,419.03 and 651,049,537.50 is: 898,448,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,470,593.50 : 1,656,649,419.03 = 651,049,537.50 : x
  2. Step 2: Convert to fraction form
    1,200,470,593.50/1,656,649,419.03 = 651,049,537.50/x
  3. Step 3: Cross multiply
    1,200,470,593.50x = 1,656,649,419.03 × 651,049,537.50
  4. Step 4: Simplify right side
    1,200,470,593.50x = 1,078,560,838,059,125,120
  5. Step 5: Solve for x
    x = 1,078,560,838,059,125,120/1,200,470,593.50
  6. Step 6: Final answer
    x = 898,448,361.75

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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.