Home / 899,569,897,984.35-1,241,408,816,669.40-488,038,355,383.98

Finding the Fourth Proportional to 899,569,897,984.35, 1,241,408,816,669.40 and 488,038,355,383.98

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Solution

The fourth proportional to 899,569,897,984.35, 1,241,408,816,669.40 and 488,038,355,383.98 is: 673,494,209,403.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,569,897,984.35 : 1,241,408,816,669.40 = 488,038,355,383.98 : x
  2. Step 2: Convert to fraction form
    899,569,897,984.35/1,241,408,816,669.40 = 488,038,355,383.98/x
  3. Step 3: Cross multiply
    899,569,897,984.35x = 1,241,408,816,669.40 × 488,038,355,383.98
  4. Step 4: Simplify right side
    899,569,897,984.35x = 605,855,117,246,506,597,351,424
  5. Step 5: Solve for x
    x = 605,855,117,246,506,597,351,424/899,569,897,984.35
  6. Step 6: Final answer
    x = 673,494,209,403.89

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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.