Home / 542,862,665,809.35-749,184,501,510.40-298,992,086,175.06

Finding the Fourth Proportional to 542,862,665,809.35, 749,184,501,510.40 and 298,992,086,175.06

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Solution

The fourth proportional to 542,862,665,809.35, 749,184,501,510.40 and 298,992,086,175.06 is: 412,627,817,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,862,665,809.35 : 749,184,501,510.40 = 298,992,086,175.06 : x
  2. Step 2: Convert to fraction form
    542,862,665,809.35/749,184,501,510.40 = 298,992,086,175.06/x
  3. Step 3: Cross multiply
    542,862,665,809.35x = 749,184,501,510.40 × 298,992,086,175.06
  4. Step 4: Simplify right side
    542,862,665,809.35x = 224,000,237,036,616,881,799,168
  5. Step 5: Solve for x
    x = 224,000,237,036,616,881,799,168/542,862,665,809.35
  6. Step 6: Final answer
    x = 412,627,817,576.40

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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.