Home / 3,131,417,195.07-4,321,372,812.93-1,843,985,232.51

Finding the Fourth Proportional to 3,131,417,195.07, 4,321,372,812.93 and 1,843,985,232.51

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Solution

The fourth proportional to 3,131,417,195.07, 4,321,372,812.93 and 1,843,985,232.51 is: 2,544,709,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,417,195.07 : 4,321,372,812.93 = 1,843,985,232.51 : x
  2. Step 2: Convert to fraction form
    3,131,417,195.07/4,321,372,812.93 = 1,843,985,232.51/x
  3. Step 3: Cross multiply
    3,131,417,195.07x = 4,321,372,812.93 × 1,843,985,232.51
  4. Step 4: Simplify right side
    3,131,417,195.07x = 7,968,547,651,213,119,488
  5. Step 5: Solve for x
    x = 7,968,547,651,213,119,488/3,131,417,195.07
  6. Step 6: Final answer
    x = 2,544,709,680.89

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1.5x scale

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.