Home / 1,091,281,197.15-1,636,898,238.78-304,313,887.68

Finding the Fourth Proportional to 1,091,281,197.15, 1,636,898,238.78 and 304,313,887.68

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Solution

The fourth proportional to 1,091,281,197.15, 1,636,898,238.78 and 304,313,887.68 is: 456,464,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,281,197.15 : 1,636,898,238.78 = 304,313,887.68 : x
  2. Step 2: Convert to fraction form
    1,091,281,197.15/1,636,898,238.78 = 304,313,887.68/x
  3. Step 3: Cross multiply
    1,091,281,197.15x = 1,636,898,238.78 × 304,313,887.68
  4. Step 4: Simplify right side
    1,091,281,197.15x = 498,130,866,771,502,272
  5. Step 5: Solve for x
    x = 498,130,866,771,502,272/1,091,281,197.15
  6. Step 6: Final answer
    x = 456,464,262.44

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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.