Home / 879,453,770.32-1,213,641,792.38-477,563,929.10

Finding the Fourth Proportional to 879,453,770.32, 1,213,641,792.38 and 477,563,929.10

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Solution

The fourth proportional to 879,453,770.32, 1,213,641,792.38 and 477,563,929.10 is: 659,035,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,453,770.32 : 1,213,641,792.38 = 477,563,929.10 : x
  2. Step 2: Convert to fraction form
    879,453,770.32/1,213,641,792.38 = 477,563,929.10/x
  3. Step 3: Cross multiply
    879,453,770.32x = 1,213,641,792.38 × 477,563,929.10
  4. Step 4: Simplify right side
    879,453,770.32x = 579,591,542,884,084,992
  5. Step 5: Solve for x
    x = 579,591,542,884,084,992/879,453,770.32
  6. Step 6: Final answer
    x = 659,035,827.06

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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.