Home / 3,931,953,756.16-5,426,114,677.42-2,147,831,961.16

Finding the Fourth Proportional to 3,931,953,756.16, 5,426,114,677.42 and 2,147,831,961.16

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Solution

The fourth proportional to 3,931,953,756.16, 5,426,114,677.42 and 2,147,831,961.16 is: 2,964,018,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,953,756.16 : 5,426,114,677.42 = 2,147,831,961.16 : x
  2. Step 2: Convert to fraction form
    3,931,953,756.16/5,426,114,677.42 = 2,147,831,961.16/x
  3. Step 3: Cross multiply
    3,931,953,756.16x = 5,426,114,677.42 × 2,147,831,961.16
  4. Step 4: Simplify right side
    3,931,953,756.16x = 11,654,382,529,082,058,752
  5. Step 5: Solve for x
    x = 11,654,382,529,082,058,752/3,931,953,756.16
  6. Step 6: Final answer
    x = 2,964,018,208.71

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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.