Home / 817,720,004.80-1,226,580,007.20-736,090,667.20

Finding the Fourth Proportional to 817,720,004.80, 1,226,580,007.20 and 736,090,667.20

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Solution

The fourth proportional to 817,720,004.80, 1,226,580,007.20 and 736,090,667.20 is: 1,104,136,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,720,004.80 : 1,226,580,007.20 = 736,090,667.20 : x
  2. Step 2: Convert to fraction form
    817,720,004.80/1,226,580,007.20 = 736,090,667.20/x
  3. Step 3: Cross multiply
    817,720,004.80x = 1,226,580,007.20 × 736,090,667.20
  4. Step 4: Simplify right side
    817,720,004.80x = 902,874,095,874,028,928
  5. Step 5: Solve for x
    x = 902,874,095,874,028,928/817,720,004.80
  6. Step 6: Final answer
    x = 1,104,136,000.80

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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.