Home / 1,418,409,925.80-2,125,823,298.30-689,829,829.80

Finding the Fourth Proportional to 1,418,409,925.80, 2,125,823,298.30 and 689,829,829.80

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Solution

The fourth proportional to 1,418,409,925.80, 2,125,823,298.30 and 689,829,829.80 is: 1,033,873,422.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,409,925.80 : 2,125,823,298.30 = 689,829,829.80 : x
  2. Step 2: Convert to fraction form
    1,418,409,925.80/2,125,823,298.30 = 689,829,829.80/x
  3. Step 3: Cross multiply
    1,418,409,925.80x = 2,125,823,298.30 × 689,829,829.80
  4. Step 4: Simplify right side
    1,418,409,925.80x = 1,466,456,324,051,163,392
  5. Step 5: Solve for x
    x = 1,466,456,324,051,163,392/1,418,409,925.80
  6. Step 6: Final answer
    x = 1,033,873,422.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.