Home / 3,931,953,749.15-5,426,114,667.77-2,147,831,954.15

Finding the Fourth Proportional to 3,931,953,749.15, 5,426,114,667.77 and 2,147,831,954.15

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Solution

The fourth proportional to 3,931,953,749.15, 5,426,114,667.77 and 2,147,831,954.15 is: 2,964,018,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,953,749.15 : 5,426,114,667.77 = 2,147,831,954.15 : x
  2. Step 2: Convert to fraction form
    3,931,953,749.15/5,426,114,667.77 = 2,147,831,954.15/x
  3. Step 3: Cross multiply
    3,931,953,749.15x = 5,426,114,667.77 × 2,147,831,954.15
  4. Step 4: Simplify right side
    3,931,953,749.15x = 11,654,382,470,296,870,912
  5. Step 5: Solve for x
    x = 11,654,382,470,296,870,912/3,931,953,749.15
  6. Step 6: Final answer
    x = 2,964,018,199.05

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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.