Home / 629,019,570.47-868,049,637.98-346,755,816.54

Finding the Fourth Proportional to 629,019,570.47, 868,049,637.98 and 346,755,816.54

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Solution

The fourth proportional to 629,019,570.47, 868,049,637.98 and 346,755,816.54 is: 478,524,477.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,019,570.47 : 868,049,637.98 = 346,755,816.54 : x
  2. Step 2: Convert to fraction form
    629,019,570.47/868,049,637.98 = 346,755,816.54/x
  3. Step 3: Cross multiply
    629,019,570.47x = 868,049,637.98 × 346,755,816.54
  4. Step 4: Simplify right side
    629,019,570.47x = 301,001,261,013,272,576
  5. Step 5: Solve for x
    x = 301,001,261,013,272,576/629,019,570.47
  6. Step 6: Final answer
    x = 478,524,477.05

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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.