Home / 282,843,918.11-390,358,587.04-171,331,487.01

Finding the Fourth Proportional to 282,843,918.11, 390,358,587.04 and 171,331,487.01

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Solution

The fourth proportional to 282,843,918.11, 390,358,587.04 and 171,331,487.01 is: 236,458,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,843,918.11 : 390,358,587.04 = 171,331,487.01 : x
  2. Step 2: Convert to fraction form
    282,843,918.11/390,358,587.04 = 171,331,487.01/x
  3. Step 3: Cross multiply
    282,843,918.11x = 390,358,587.04 × 171,331,487.01
  4. Step 4: Simplify right side
    282,843,918.11x = 66,880,717,184,257,384
  5. Step 5: Solve for x
    x = 66,880,717,184,257,384/282,843,918.11
  6. Step 6: Final answer
    x = 236,458,035.34

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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.