Home / 3,900,302,789,557-5,382,430,426,529-2,166,112,345,888.40

Finding the Fourth Proportional to 3,900,302,789,557, 5,382,430,426,529 and 2,166,112,345,888.40

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Solution

The fourth proportional to 3,900,302,789,557, 5,382,430,426,529 and 2,166,112,345,888.40 is: 2,989,242,022,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,302,789,557 : 5,382,430,426,529 = 2,166,112,345,888.40 : x
  2. Step 2: Convert to fraction form
    3,900,302,789,557/5,382,430,426,529 = 2,166,112,345,888.40/x
  3. Step 3: Cross multiply
    3,900,302,789,557x = 5,382,430,426,529 × 2,166,112,345,888.40
  4. Step 4: Simplify right side
    3,900,302,789,557x = 11,658,948,997,789,832,781,496,320
  5. Step 5: Solve for x
    x = 11,658,948,997,789,832,781,496,320/3,900,302,789,557
  6. Step 6: Final answer
    x = 2,989,242,022,185.17

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Double scale
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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.