Home / 723,010,559.57-997,684,853.70-405,483,696.17

Finding the Fourth Proportional to 723,010,559.57, 997,684,853.70 and 405,483,696.17

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Solution

The fourth proportional to 723,010,559.57, 997,684,853.70 and 405,483,696.17 is: 559,528,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,010,559.57 : 997,684,853.70 = 405,483,696.17 : x
  2. Step 2: Convert to fraction form
    723,010,559.57/997,684,853.70 = 405,483,696.17/x
  3. Step 3: Cross multiply
    723,010,559.57x = 997,684,853.70 × 405,483,696.17
  4. Step 4: Simplify right side
    723,010,559.57x = 404,544,942,084,085,888
  5. Step 5: Solve for x
    x = 404,544,942,084,085,888/723,010,559.57
  6. Step 6: Final answer
    x = 559,528,400.70

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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.