Home / 1,091,281,198.15-1,636,898,240.28-304,313,888.68

Finding the Fourth Proportional to 1,091,281,198.15, 1,636,898,240.28 and 304,313,888.68

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Solution

The fourth proportional to 1,091,281,198.15, 1,636,898,240.28 and 304,313,888.68 is: 456,464,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,281,198.15 : 1,636,898,240.28 = 304,313,888.68 : x
  2. Step 2: Convert to fraction form
    1,091,281,198.15/1,636,898,240.28 = 304,313,888.68/x
  3. Step 3: Cross multiply
    1,091,281,198.15x = 1,636,898,240.28 × 304,313,888.68
  4. Step 4: Simplify right side
    1,091,281,198.15x = 498,130,868,873,055,808
  5. Step 5: Solve for x
    x = 498,130,868,873,055,808/1,091,281,198.15
  6. Step 6: Final answer
    x = 456,464,263.95

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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.