Home / 4,221,072,004.80-6,331,608,007.20-3,119,075,947.20

Finding the Fourth Proportional to 4,221,072,004.80, 6,331,608,007.20 and 3,119,075,947.20

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Solution

The fourth proportional to 4,221,072,004.80, 6,331,608,007.20 and 3,119,075,947.20 is: 4,678,613,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221,072,004.80 : 6,331,608,007.20 = 3,119,075,947.20 : x
  2. Step 2: Convert to fraction form
    4,221,072,004.80/6,331,608,007.20 = 3,119,075,947.20/x
  3. Step 3: Cross multiply
    4,221,072,004.80x = 6,331,608,007.20 × 3,119,075,947.20
  4. Step 4: Simplify right side
    4,221,072,004.80x = 19,748,766,242,356,441,088
  5. Step 5: Solve for x
    x = 19,748,766,242,356,441,088/4,221,072,004.80
  6. Step 6: Final answer
    x = 4,678,613,920.80

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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.