Home / 1,296,153,936.54-1,944,235,948.92-313,578,899.34

Finding the Fourth Proportional to 1,296,153,936.54, 1,944,235,948.92 and 313,578,899.34

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Solution

The fourth proportional to 1,296,153,936.54, 1,944,235,948.92 and 313,578,899.34 is: 470,369,569.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,153,936.54 : 1,944,235,948.92 = 313,578,899.34 : x
  2. Step 2: Convert to fraction form
    1,296,153,936.54/1,944,235,948.92 = 313,578,899.34/x
  3. Step 3: Cross multiply
    1,296,153,936.54x = 1,944,235,948.92 × 313,578,899.34
  4. Step 4: Simplify right side
    1,296,153,936.54x = 609,671,368,919,593,984
  5. Step 5: Solve for x
    x = 609,671,368,919,593,984/1,296,153,936.54
  6. Step 6: Final answer
    x = 470,369,569.33

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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.