Home / 268,984,923.20-403,477,384.80-177,151,918.40

Finding the Fourth Proportional to 268,984,923.20, 403,477,384.80 and 177,151,918.40

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Solution

The fourth proportional to 268,984,923.20, 403,477,384.80 and 177,151,918.40 is: 265,727,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,984,923.20 : 403,477,384.80 = 177,151,918.40 : x
  2. Step 2: Convert to fraction form
    268,984,923.20/403,477,384.80 = 177,151,918.40/x
  3. Step 3: Cross multiply
    268,984,923.20x = 403,477,384.80 × 177,151,918.40
  4. Step 4: Simplify right side
    268,984,923.20x = 71,476,792,748,335,008
  5. Step 5: Solve for x
    x = 71,476,792,748,335,008/268,984,923.20
  6. Step 6: Final answer
    x = 265,727,877.60

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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.