Home / 705,529,478.54-973,685,218.04-423,282,541.26

Finding the Fourth Proportional to 705,529,478.54, 973,685,218.04 and 423,282,541.26

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Solution

The fourth proportional to 705,529,478.54, 973,685,218.04 and 423,282,541.26 is: 584,162,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,529,478.54 : 973,685,218.04 = 423,282,541.26 : x
  2. Step 2: Convert to fraction form
    705,529,478.54/973,685,218.04 = 423,282,541.26/x
  3. Step 3: Cross multiply
    705,529,478.54x = 973,685,218.04 × 423,282,541.26
  4. Step 4: Simplify right side
    705,529,478.54x = 412,143,953,479,268,352
  5. Step 5: Solve for x
    x = 412,143,953,479,268,352/705,529,478.54
  6. Step 6: Final answer
    x = 584,162,626.81

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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.