Home / 808,976,146.48-1,116,069,441.56-469,826,888.66

Finding the Fourth Proportional to 808,976,146.48, 1,116,069,441.56 and 469,826,888.66

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Solution

The fourth proportional to 808,976,146.48, 1,116,069,441.56 and 469,826,888.66 is: 648,176,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,976,146.48 : 1,116,069,441.56 = 469,826,888.66 : x
  2. Step 2: Convert to fraction form
    808,976,146.48/1,116,069,441.56 = 469,826,888.66/x
  3. Step 3: Cross multiply
    808,976,146.48x = 1,116,069,441.56 × 469,826,888.66
  4. Step 4: Simplify right side
    808,976,146.48x = 524,359,433,253,330,624
  5. Step 5: Solve for x
    x = 524,359,433,253,330,624/808,976,146.48
  6. Step 6: Final answer
    x = 648,176,631.08

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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.