Home / 489,904,133.10-734,005,894.04-317,292,096.30

Finding the Fourth Proportional to 489,904,133.10, 734,005,894.04 and 317,292,096.30

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Solution

The fourth proportional to 489,904,133.10, 734,005,894.04 and 317,292,096.30 is: 475,387,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,133.10 : 734,005,894.04 = 317,292,096.30 : x
  2. Step 2: Convert to fraction form
    489,904,133.10/734,005,894.04 = 317,292,096.30/x
  3. Step 3: Cross multiply
    489,904,133.10x = 734,005,894.04 × 317,292,096.30
  4. Step 4: Simplify right side
    489,904,133.10x = 232,894,268,816,507,264
  5. Step 5: Solve for x
    x = 232,894,268,816,507,264/489,904,133.10
  6. Step 6: Final answer
    x = 475,387,434.16

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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.