Home / 542,862,665,811.35-749,184,501,513.16-298,992,086,177.06

Finding the Fourth Proportional to 542,862,665,811.35, 749,184,501,513.16 and 298,992,086,177.06

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Solution

The fourth proportional to 542,862,665,811.35, 749,184,501,513.16 and 298,992,086,177.06 is: 412,627,817,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,862,665,811.35 : 749,184,501,513.16 = 298,992,086,177.06 : x
  2. Step 2: Convert to fraction form
    542,862,665,811.35/749,184,501,513.16 = 298,992,086,177.06/x
  3. Step 3: Cross multiply
    542,862,665,811.35x = 749,184,501,513.16 × 298,992,086,177.06
  4. Step 4: Simplify right side
    542,862,665,811.35x = 224,000,237,038,940,492,660,736
  5. Step 5: Solve for x
    x = 224,000,237,038,940,492,660,736/542,862,665,811.35
  6. Step 6: Final answer
    x = 412,627,817,579.16

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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.