Home / 1,242,852,952.89-1,864,071,576.84-455,743,954.65

Finding the Fourth Proportional to 1,242,852,952.89, 1,864,071,576.84 and 455,743,954.65

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Solution

The fourth proportional to 1,242,852,952.89, 1,864,071,576.84 and 455,743,954.65 is: 683,539,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,852,952.89 : 1,864,071,576.84 = 455,743,954.65 : x
  2. Step 2: Convert to fraction form
    1,242,852,952.89/1,864,071,576.84 = 455,743,954.65/x
  3. Step 3: Cross multiply
    1,242,852,952.89x = 1,864,071,576.84 × 455,743,954.65
  4. Step 4: Simplify right side
    1,242,852,952.89x = 849,539,352,179,722,880
  5. Step 5: Solve for x
    x = 849,539,352,179,722,880/1,242,852,952.89
  6. Step 6: Final answer
    x = 683,539,714.17

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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.