Home / 308,880,646.25-426,263,615.86-181,730,200.13

Finding the Fourth Proportional to 308,880,646.25, 426,263,615.86 and 181,730,200.13

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Solution

The fourth proportional to 308,880,646.25, 426,263,615.86 and 181,730,200.13 is: 250,792,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,880,646.25 : 426,263,615.86 = 181,730,200.13 : x
  2. Step 2: Convert to fraction form
    308,880,646.25/426,263,615.86 = 181,730,200.13/x
  3. Step 3: Cross multiply
    308,880,646.25x = 426,263,615.86 × 181,730,200.13
  4. Step 4: Simplify right side
    308,880,646.25x = 77,464,972,216,243,920
  5. Step 5: Solve for x
    x = 77,464,972,216,243,920/308,880,646.25
  6. Step 6: Final answer
    x = 250,792,573.63

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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.