Home / 690,372,530.69-952,714,055.91-372,832,746.03

Finding the Fourth Proportional to 690,372,530.69, 952,714,055.91 and 372,832,746.03

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Solution

The fourth proportional to 690,372,530.69, 952,714,055.91 and 372,832,746.03 is: 514,509,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,372,530.69 : 952,714,055.91 = 372,832,746.03 : x
  2. Step 2: Convert to fraction form
    690,372,530.69/952,714,055.91 = 372,832,746.03/x
  3. Step 3: Cross multiply
    690,372,530.69x = 952,714,055.91 × 372,832,746.03
  4. Step 4: Simplify right side
    690,372,530.69x = 355,202,997,646,304,192
  5. Step 5: Solve for x
    x = 355,202,997,646,304,192/690,372,530.69
  6. Step 6: Final answer
    x = 514,509,169.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.