Home / 808,976,218.87-1,116,069,541.42-469,826,961.19

Finding the Fourth Proportional to 808,976,218.87, 1,116,069,541.42 and 469,826,961.19

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Solution

The fourth proportional to 808,976,218.87, 1,116,069,541.42 and 469,826,961.19 is: 648,176,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,976,218.87 : 1,116,069,541.42 = 469,826,961.19 : x
  2. Step 2: Convert to fraction form
    808,976,218.87/1,116,069,541.42 = 469,826,961.19/x
  3. Step 3: Cross multiply
    808,976,218.87x = 1,116,069,541.42 × 469,826,961.19
  4. Step 4: Simplify right side
    808,976,218.87x = 524,359,561,122,075,456
  5. Step 5: Solve for x
    x = 524,359,561,122,075,456/808,976,218.87
  6. Step 6: Final answer
    x = 648,176,731.15

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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.