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Finding the Fourth Proportional to 277,798,601.87, 416,697,683.88 and 83,710,019.33

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Solution

The fourth proportional to 277,798,601.87, 416,697,683.88 and 83,710,019.33 is: 125,564,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,798,601.87 : 416,697,683.88 = 83,710,019.33 : x
  2. Step 2: Convert to fraction form
    277,798,601.87/416,697,683.88 = 83,710,019.33/x
  3. Step 3: Cross multiply
    277,798,601.87x = 416,697,683.88 × 83,710,019.33
  4. Step 4: Simplify right side
    277,798,601.87x = 34,881,771,172,154,904
  5. Step 5: Solve for x
    x = 34,881,771,172,154,904/277,798,601.87
  6. Step 6: Final answer
    x = 125,564,963.03

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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.