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Finding the Fourth Proportional to 656,722,271.70, 906,276,706.92 and 359,364,538.98

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Solution

The fourth proportional to 656,722,271.70, 906,276,706.92 and 359,364,538.98 is: 495,923,048.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,722,271.70 : 906,276,706.92 = 359,364,538.98 : x
  2. Step 2: Convert to fraction form
    656,722,271.70/906,276,706.92 = 359,364,538.98/x
  3. Step 3: Cross multiply
    656,722,271.70x = 906,276,706.92 × 359,364,538.98
  4. Step 4: Simplify right side
    656,722,271.70x = 325,683,710,970,618,368
  5. Step 5: Solve for x
    x = 325,683,710,970,618,368/656,722,271.70
  6. Step 6: Final answer
    x = 495,923,048.46

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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.