Home / 1,081,369,562.63-1,622,117,149.12-417,387,374.06

Finding the Fourth Proportional to 1,081,369,562.63, 1,622,117,149.12 and 417,387,374.06

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Solution

The fourth proportional to 1,081,369,562.63, 1,622,117,149.12 and 417,387,374.06 is: 626,105,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,369,562.63 : 1,622,117,149.12 = 417,387,374.06 : x
  2. Step 2: Convert to fraction form
    1,081,369,562.63/1,622,117,149.12 = 417,387,374.06/x
  3. Step 3: Cross multiply
    1,081,369,562.63x = 1,622,117,149.12 × 417,387,374.06
  4. Step 4: Simplify right side
    1,081,369,562.63x = 677,051,217,288,890,240
  5. Step 5: Solve for x
    x = 677,051,217,288,890,240/1,081,369,562.63
  6. Step 6: Final answer
    x = 626,105,302.65

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Double scale
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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.