Home / 277,308,792-382,681,455.21-153,546,811.92

Finding the Fourth Proportional to 277,308,792, 382,681,455.21 and 153,546,811.92

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Solution

The fourth proportional to 277,308,792, 382,681,455.21 and 153,546,811.92 is: 211,892,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,308,792 : 382,681,455.21 = 153,546,811.92 : x
  2. Step 2: Convert to fraction form
    277,308,792/382,681,455.21 = 153,546,811.92/x
  3. Step 3: Cross multiply
    277,308,792x = 382,681,455.21 × 153,546,811.92
  4. Step 4: Simplify right side
    277,308,792x = 58,759,517,428,401,768
  5. Step 5: Solve for x
    x = 58,759,517,428,401,768/277,308,792
  6. Step 6: Final answer
    x = 211,892,010.36

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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.