Home / 460,923,271.71-691,611,897.91-215,244,200.67

Finding the Fourth Proportional to 460,923,271.71, 691,611,897.91 and 215,244,200.67

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Solution

The fourth proportional to 460,923,271.71, 691,611,897.91 and 215,244,200.67 is: 322,972,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,923,271.71 : 691,611,897.91 = 215,244,200.67 : x
  2. Step 2: Convert to fraction form
    460,923,271.71/691,611,897.91 = 215,244,200.67/x
  3. Step 3: Cross multiply
    460,923,271.71x = 691,611,897.91 × 215,244,200.67
  4. Step 4: Simplify right side
    460,923,271.71x = 148,865,450,142,091,424
  5. Step 5: Solve for x
    x = 148,865,450,142,091,424/460,923,271.71
  6. Step 6: Final answer
    x = 322,972,302.07

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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.