Home / 723,010,559.75-997,684,853.95-405,483,696.35

Finding the Fourth Proportional to 723,010,559.75, 997,684,853.95 and 405,483,696.35

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Solution

The fourth proportional to 723,010,559.75, 997,684,853.95 and 405,483,696.35 is: 559,528,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,010,559.75 : 997,684,853.95 = 405,483,696.35 : x
  2. Step 2: Convert to fraction form
    723,010,559.75/997,684,853.95 = 405,483,696.35/x
  3. Step 3: Cross multiply
    723,010,559.75x = 997,684,853.95 × 405,483,696.35
  4. Step 4: Simplify right side
    723,010,559.75x = 404,544,942,372,055,936
  5. Step 5: Solve for x
    x = 404,544,942,372,055,936/723,010,559.75
  6. Step 6: Final answer
    x = 559,528,400.96

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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.