Home / 613,804,569.20-920,706,853.80-368,916,556.40

Finding the Fourth Proportional to 613,804,569.20, 920,706,853.80 and 368,916,556.40

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Solution

The fourth proportional to 613,804,569.20, 920,706,853.80 and 368,916,556.40 is: 553,374,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,804,569.20 : 920,706,853.80 = 368,916,556.40 : x
  2. Step 2: Convert to fraction form
    613,804,569.20/920,706,853.80 = 368,916,556.40/x
  3. Step 3: Cross multiply
    613,804,569.20x = 920,706,853.80 × 368,916,556.40
  4. Step 4: Simplify right side
    613,804,569.20x = 339,664,001,957,774,208
  5. Step 5: Solve for x
    x = 339,664,001,957,774,208/613,804,569.20
  6. Step 6: Final answer
    x = 553,374,834.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.