Home / 373,438,916.01-515,390,894.04-212,542,019.02

Finding the Fourth Proportional to 373,438,916.01, 515,390,894.04 and 212,542,019.02

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Solution

The fourth proportional to 373,438,916.01, 515,390,894.04 and 212,542,019.02 is: 293,333,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,438,916.01 : 515,390,894.04 = 212,542,019.02 : x
  2. Step 2: Convert to fraction form
    373,438,916.01/515,390,894.04 = 212,542,019.02/x
  3. Step 3: Cross multiply
    373,438,916.01x = 515,390,894.04 × 212,542,019.02
  4. Step 4: Simplify right side
    373,438,916.01x = 109,542,221,203,777,504
  5. Step 5: Solve for x
    x = 109,542,221,203,777,504/373,438,916.01
  6. Step 6: Final answer
    x = 293,333,706.01

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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.