Home / 864,317,448.63-1,296,682,426.14-282,052,777.50

Finding the Fourth Proportional to 864,317,448.63, 1,296,682,426.14 and 282,052,777.50

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Solution

The fourth proportional to 864,317,448.63, 1,296,682,426.14 and 282,052,777.50 is: 423,146,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,317,448.63 : 1,296,682,426.14 = 282,052,777.50 : x
  2. Step 2: Convert to fraction form
    864,317,448.63/1,296,682,426.14 = 282,052,777.50/x
  3. Step 3: Cross multiply
    864,317,448.63x = 1,296,682,426.14 × 282,052,777.50
  4. Step 4: Simplify right side
    864,317,448.63x = 365,732,879,828,225,664
  5. Step 5: Solve for x
    x = 365,732,879,828,225,664/864,317,448.63
  6. Step 6: Final answer
    x = 423,146,472.87

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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.