Home / 899,569,897,982.82-1,241,408,816,667.40-488,038,355,382.48

Finding the Fourth Proportional to 899,569,897,982.82, 1,241,408,816,667.40 and 488,038,355,382.48

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Solution

The fourth proportional to 899,569,897,982.82, 1,241,408,816,667.40 and 488,038,355,382.48 is: 673,494,209,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,569,897,982.82 : 1,241,408,816,667.40 = 488,038,355,382.48 : x
  2. Step 2: Convert to fraction form
    899,569,897,982.82/1,241,408,816,667.40 = 488,038,355,382.48/x
  3. Step 3: Cross multiply
    899,569,897,982.82x = 1,241,408,816,667.40 × 488,038,355,382.48
  4. Step 4: Simplify right side
    899,569,897,982.82x = 605,855,117,243,668,429,275,136
  5. Step 5: Solve for x
    x = 605,855,117,243,668,429,275,136/899,569,897,982.82
  6. Step 6: Final answer
    x = 673,494,209,401.88

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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.