Home / 3,886,391,900,721.30-5,363,389,411,912.90-2,152,201,457,053.20

Finding the Fourth Proportional to 3,886,391,900,721.30, 5,363,389,411,912.90 and 2,152,201,457,053.20

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Solution

The fourth proportional to 3,886,391,900,721.30, 5,363,389,411,912.90 and 2,152,201,457,053.20 is: 2,970,131,371,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,391,900,721.30 : 5,363,389,411,912.90 = 2,152,201,457,053.20 : x
  2. Step 2: Convert to fraction form
    3,886,391,900,721.30/5,363,389,411,912.90 = 2,152,201,457,053.20/x
  3. Step 3: Cross multiply
    3,886,391,900,721.30x = 5,363,389,411,912.90 × 2,152,201,457,053.20
  4. Step 4: Simplify right side
    3,886,391,900,721.30x = 11,543,094,507,062,648,872,370,176
  5. Step 5: Solve for x
    x = 11,543,094,507,062,648,872,370,176/3,886,391,900,721.30
  6. Step 6: Final answer
    x = 2,970,131,371,702.45

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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.