Home / 842,831,516,933.15-1,163,108,354,172.20-457,455,942,236.42

Finding the Fourth Proportional to 842,831,516,933.15, 1,163,108,354,172.20 and 457,455,942,236.42

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Solution

The fourth proportional to 842,831,516,933.15, 1,163,108,354,172.20 and 457,455,942,236.42 is: 631,289,667,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,831,516,933.15 : 1,163,108,354,172.20 = 457,455,942,236.42 : x
  2. Step 2: Convert to fraction form
    842,831,516,933.15/1,163,108,354,172.20 = 457,455,942,236.42/x
  3. Step 3: Cross multiply
    842,831,516,933.15x = 1,163,108,354,172.20 × 457,455,942,236.42
  4. Step 4: Simplify right side
    842,831,516,933.15x = 532,070,828,080,895,442,812,928
  5. Step 5: Solve for x
    x = 532,070,828,080,895,442,812,928/842,831,516,933.15
  6. Step 6: Final answer
    x = 631,289,667,497.21

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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.