Home / 1,036,424,428.70-1,554,636,643.05-455,293,695.20

Finding the Fourth Proportional to 1,036,424,428.70, 1,554,636,643.05 and 455,293,695.20

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Solution

The fourth proportional to 1,036,424,428.70, 1,554,636,643.05 and 455,293,695.20 is: 682,940,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,424,428.70 : 1,554,636,643.05 = 455,293,695.20 : x
  2. Step 2: Convert to fraction form
    1,036,424,428.70/1,554,636,643.05 = 455,293,695.20/x
  3. Step 3: Cross multiply
    1,036,424,428.70x = 1,554,636,643.05 × 455,293,695.20
  4. Step 4: Simplify right side
    1,036,424,428.70x = 707,816,261,907,557,888
  5. Step 5: Solve for x
    x = 707,816,261,907,557,888/1,036,424,428.70
  6. Step 6: Final answer
    x = 682,940,542.80

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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.