Home / 3,886,391,900,721.30-5,363,389,411,913-2,152,201,457,053.30

Finding the Fourth Proportional to 3,886,391,900,721.30, 5,363,389,411,913 and 2,152,201,457,053.30

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Solution

The fourth proportional to 3,886,391,900,721.30, 5,363,389,411,913 and 2,152,201,457,053.30 is: 2,970,131,371,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,391,900,721.30 : 5,363,389,411,913 = 2,152,201,457,053.30 : x
  2. Step 2: Convert to fraction form
    3,886,391,900,721.30/5,363,389,411,913 = 2,152,201,457,053.30/x
  3. Step 3: Cross multiply
    3,886,391,900,721.30x = 5,363,389,411,913 × 2,152,201,457,053.30
  4. Step 4: Simplify right side
    3,886,391,900,721.30x = 11,543,094,507,063,400,491,646,976
  5. Step 5: Solve for x
    x = 11,543,094,507,063,400,491,646,976/3,886,391,900,721.30
  6. Step 6: Final answer
    x = 2,970,131,371,702.64

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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.