Home / 965,958,680.40-1,448,938,020.60-319,726,424.40

Finding the Fourth Proportional to 965,958,680.40, 1,448,938,020.60 and 319,726,424.40

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Solution

The fourth proportional to 965,958,680.40, 1,448,938,020.60 and 319,726,424.40 is: 479,589,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,958,680.40 : 1,448,938,020.60 = 319,726,424.40 : x
  2. Step 2: Convert to fraction form
    965,958,680.40/1,448,938,020.60 = 319,726,424.40/x
  3. Step 3: Cross multiply
    965,958,680.40x = 1,448,938,020.60 × 319,726,424.40
  4. Step 4: Simplify right side
    965,958,680.40x = 463,263,772,503,651,456
  5. Step 5: Solve for x
    x = 463,263,772,503,651,456/965,958,680.40
  6. Step 6: Final answer
    x = 479,589,636.60

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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.