Home / 842,831,516,978.70-1,163,108,354,234.90-457,455,942,282

Finding the Fourth Proportional to 842,831,516,978.70, 1,163,108,354,234.90 and 457,455,942,282

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Solution

The fourth proportional to 842,831,516,978.70, 1,163,108,354,234.90 and 457,455,942,282 is: 631,289,667,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,831,516,978.70 : 1,163,108,354,234.90 = 457,455,942,282 : x
  2. Step 2: Convert to fraction form
    842,831,516,978.70/1,163,108,354,234.90 = 457,455,942,282/x
  3. Step 3: Cross multiply
    842,831,516,978.70x = 1,163,108,354,234.90 × 457,455,942,282
  4. Step 4: Simplify right side
    842,831,516,978.70x = 532,070,828,162,592,364,560,384
  5. Step 5: Solve for x
    x = 532,070,828,162,592,364,560,384/842,831,516,978.70
  6. Step 6: Final answer
    x = 631,289,667,560.02

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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.