Home / 881,777,124.49-1,216,830,036.07-479,873,789.32

Finding the Fourth Proportional to 881,777,124.49, 1,216,830,036.07 and 479,873,789.32

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Solution

The fourth proportional to 881,777,124.49, 1,216,830,036.07 and 479,873,789.32 is: 662,213,641.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,777,124.49 : 1,216,830,036.07 = 479,873,789.32 : x
  2. Step 2: Convert to fraction form
    881,777,124.49/1,216,830,036.07 = 479,873,789.32/x
  3. Step 3: Cross multiply
    881,777,124.49x = 1,216,830,036.07 × 479,873,789.32
  4. Step 4: Simplify right side
    881,777,124.49x = 583,924,840,358,819,712
  5. Step 5: Solve for x
    x = 583,924,840,358,819,712/881,777,124.49
  6. Step 6: Final answer
    x = 662,213,641.23

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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.