Home / 497,355,816,622.95-686,351,021,625.12-268,985,058,608.45

Finding the Fourth Proportional to 497,355,816,622.95, 686,351,021,625.12 and 268,985,058,608.45

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Solution

The fourth proportional to 497,355,816,622.95, 686,351,021,625.12 and 268,985,058,608.45 is: 371,199,378,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,355,816,622.95 : 686,351,021,625.12 = 268,985,058,608.45 : x
  2. Step 2: Convert to fraction form
    497,355,816,622.95/686,351,021,625.12 = 268,985,058,608.45/x
  3. Step 3: Cross multiply
    497,355,816,622.95x = 686,351,021,625.12 × 268,985,058,608.45
  4. Step 4: Simplify right side
    497,355,816,622.95x = 184,618,169,777,802,446,897,152
  5. Step 5: Solve for x
    x = 184,618,169,777,802,446,897,152/497,355,816,622.95
  6. Step 6: Final answer
    x = 371,199,378,005.39

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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.