Home / 842,831,516,978.19-1,163,108,354,234.20-457,455,942,281.52

Finding the Fourth Proportional to 842,831,516,978.19, 1,163,108,354,234.20 and 457,455,942,281.52

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Solution

The fourth proportional to 842,831,516,978.19, 1,163,108,354,234.20 and 457,455,942,281.52 is: 631,289,667,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,831,516,978.19 : 1,163,108,354,234.20 = 457,455,942,281.52 : x
  2. Step 2: Convert to fraction form
    842,831,516,978.19/1,163,108,354,234.20 = 457,455,942,281.52/x
  3. Step 3: Cross multiply
    842,831,516,978.19x = 1,163,108,354,234.20 × 457,455,942,281.52
  4. Step 4: Simplify right side
    842,831,516,978.19x = 532,070,828,161,713,909,530,624
  5. Step 5: Solve for x
    x = 532,070,828,161,713,909,530,624/842,831,516,978.19
  6. Step 6: Final answer
    x = 631,289,667,559.36

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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.