Home / 501,810,735.05-692,458,214.91-290,131,146.90

Finding the Fourth Proportional to 501,810,735.05, 692,458,214.91 and 290,131,146.90

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Solution

The fourth proportional to 501,810,735.05, 692,458,214.91 and 290,131,146.90 is: 400,357,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,810,735.05 : 692,458,214.91 = 290,131,146.90 : x
  2. Step 2: Convert to fraction form
    501,810,735.05/692,458,214.91 = 290,131,146.90/x
  3. Step 3: Cross multiply
    501,810,735.05x = 692,458,214.91 × 290,131,146.90
  4. Step 4: Simplify right side
    501,810,735.05x = 200,903,696,072,164,960
  5. Step 5: Solve for x
    x = 200,903,696,072,164,960/501,810,735.05
  6. Step 6: Final answer
    x = 400,357,509.39

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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.