Home / 507,171,233.48-760,746,019.50-138,706,187.09

Finding the Fourth Proportional to 507,171,233.48, 760,746,019.50 and 138,706,187.09

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Solution

The fourth proportional to 507,171,233.48, 760,746,019.50 and 138,706,187.09 is: 208,056,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,171,233.48 : 760,746,019.50 = 138,706,187.09 : x
  2. Step 2: Convert to fraction form
    507,171,233.48/760,746,019.50 = 138,706,187.09/x
  3. Step 3: Cross multiply
    507,171,233.48x = 760,746,019.50 × 138,706,187.09
  4. Step 4: Simplify right side
    507,171,233.48x = 105,520,179,704,936,064
  5. Step 5: Solve for x
    x = 105,520,179,704,936,064/507,171,233.48
  6. Step 6: Final answer
    x = 208,056,318.54

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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.