Home / 649,661,735.81-896,533,399.98-352,303,888.78

Finding the Fourth Proportional to 649,661,735.81, 896,533,399.98 and 352,303,888.78

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Solution

The fourth proportional to 649,661,735.81, 896,533,399.98 and 352,303,888.78 is: 486,179,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,661,735.81 : 896,533,399.98 = 352,303,888.78 : x
  2. Step 2: Convert to fraction form
    649,661,735.81/896,533,399.98 = 352,303,888.78/x
  3. Step 3: Cross multiply
    649,661,735.81x = 896,533,399.98 × 352,303,888.78
  4. Step 4: Simplify right side
    649,661,735.81x = 315,852,203,230,200,320
  5. Step 5: Solve for x
    x = 315,852,203,230,200,320/649,661,735.81
  6. Step 6: Final answer
    x = 486,179,477.44

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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.