Home / 1,036,424,454.70-1,554,636,682.05-455,293,721.20

Finding the Fourth Proportional to 1,036,424,454.70, 1,554,636,682.05 and 455,293,721.20

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Solution

The fourth proportional to 1,036,424,454.70, 1,554,636,682.05 and 455,293,721.20 is: 682,940,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,424,454.70 : 1,554,636,682.05 = 455,293,721.20 : x
  2. Step 2: Convert to fraction form
    1,036,424,454.70/1,554,636,682.05 = 455,293,721.20/x
  3. Step 3: Cross multiply
    1,036,424,454.70x = 1,554,636,682.05 × 455,293,721.20
  4. Step 4: Simplify right side
    1,036,424,454.70x = 707,816,320,084,565,760
  5. Step 5: Solve for x
    x = 707,816,320,084,565,760/1,036,424,454.70
  6. Step 6: Final answer
    x = 682,940,581.80

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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.