Home / 1,448,534,156.40-2,172,801,234.60-528,440,511.60

Finding the Fourth Proportional to 1,448,534,156.40, 2,172,801,234.60 and 528,440,511.60

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Solution

The fourth proportional to 1,448,534,156.40, 2,172,801,234.60 and 528,440,511.60 is: 792,660,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,534,156.40 : 2,172,801,234.60 = 528,440,511.60 : x
  2. Step 2: Convert to fraction form
    1,448,534,156.40/2,172,801,234.60 = 528,440,511.60/x
  3. Step 3: Cross multiply
    1,448,534,156.40x = 2,172,801,234.60 × 528,440,511.60
  4. Step 4: Simplify right side
    1,448,534,156.40x = 1,148,196,196,017,135,616
  5. Step 5: Solve for x
    x = 1,148,196,196,017,135,616/1,448,534,156.40
  6. Step 6: Final answer
    x = 792,660,767.40

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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.