Home / 877,536,809.20-1,316,305,213.80-295,077,473.20

Finding the Fourth Proportional to 877,536,809.20, 1,316,305,213.80 and 295,077,473.20

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Solution

The fourth proportional to 877,536,809.20, 1,316,305,213.80 and 295,077,473.20 is: 442,616,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,536,809.20 : 1,316,305,213.80 = 295,077,473.20 : x
  2. Step 2: Convert to fraction form
    877,536,809.20/1,316,305,213.80 = 295,077,473.20/x
  3. Step 3: Cross multiply
    877,536,809.20x = 1,316,305,213.80 × 295,077,473.20
  4. Step 4: Simplify right side
    877,536,809.20x = 388,412,016,448,089,728
  5. Step 5: Solve for x
    x = 388,412,016,448,089,728/877,536,809.20
  6. Step 6: Final answer
    x = 442,616,209.80

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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.