Home / 423,990,974.81-585,553,618.80-377,772,436.77

Finding the Fourth Proportional to 423,990,974.81, 585,553,618.80 and 377,772,436.77

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Solution

The fourth proportional to 423,990,974.81, 585,553,618.80 and 377,772,436.77 is: 521,723,410.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,990,974.81 : 585,553,618.80 = 377,772,436.77 : x
  2. Step 2: Convert to fraction form
    423,990,974.81/585,553,618.80 = 377,772,436.77/x
  3. Step 3: Cross multiply
    423,990,974.81x = 585,553,618.80 × 377,772,436.77
  4. Step 4: Simplify right side
    423,990,974.81x = 221,206,017,433,567,648
  5. Step 5: Solve for x
    x = 221,206,017,433,567,648/423,990,974.81
  6. Step 6: Final answer
    x = 521,723,410.59

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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.