Home / 1,314,823,641,942.90-1,814,456,586,564.40-728,872,002,798.55

Finding the Fourth Proportional to 1,314,823,641,942.90, 1,814,456,586,564.40 and 728,872,002,798.55

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Solution

The fourth proportional to 1,314,823,641,942.90, 1,814,456,586,564.40 and 728,872,002,798.55 is: 1,005,843,342,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,823,641,942.90 : 1,814,456,586,564.40 = 728,872,002,798.55 : x
  2. Step 2: Convert to fraction form
    1,314,823,641,942.90/1,814,456,586,564.40 = 728,872,002,798.55/x
  3. Step 3: Cross multiply
    1,314,823,641,942.90x = 1,814,456,586,564.40 × 728,872,002,798.55
  4. Step 4: Simplify right side
    1,314,823,641,942.90x = 1,322,506,606,240,214,839,984,128
  5. Step 5: Solve for x
    x = 1,322,506,606,240,214,839,984,128/1,314,823,641,942.90
  6. Step 6: Final answer
    x = 1,005,843,342,066.74

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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.