Home / 734,832,021.40-1,102,248,032.10-660,005,128.60

Finding the Fourth Proportional to 734,832,021.40, 1,102,248,032.10 and 660,005,128.60

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Solution

The fourth proportional to 734,832,021.40, 1,102,248,032.10 and 660,005,128.60 is: 990,007,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,832,021.40 : 1,102,248,032.10 = 660,005,128.60 : x
  2. Step 2: Convert to fraction form
    734,832,021.40/1,102,248,032.10 = 660,005,128.60/x
  3. Step 3: Cross multiply
    734,832,021.40x = 1,102,248,032.10 × 660,005,128.60
  4. Step 4: Simplify right side
    734,832,021.40x = 727,489,354,175,257,344
  5. Step 5: Solve for x
    x = 727,489,354,175,257,344/734,832,021.40
  6. Step 6: Final answer
    x = 990,007,692.90

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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.