Home / 808,976,219.37-1,116,069,542.12-469,826,961.69

Finding the Fourth Proportional to 808,976,219.37, 1,116,069,542.12 and 469,826,961.69

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Solution

The fourth proportional to 808,976,219.37, 1,116,069,542.12 and 469,826,961.69 is: 648,176,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,976,219.37 : 1,116,069,542.12 = 469,826,961.69 : x
  2. Step 2: Convert to fraction form
    808,976,219.37/1,116,069,542.12 = 469,826,961.69/x
  3. Step 3: Cross multiply
    808,976,219.37x = 1,116,069,542.12 × 469,826,961.69
  4. Step 4: Simplify right side
    808,976,219.37x = 524,359,562,006,639,936
  5. Step 5: Solve for x
    x = 524,359,562,006,639,936/808,976,219.37
  6. Step 6: Final answer
    x = 648,176,731.84

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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.