Home / 705,529,475.03-973,685,213.20-423,282,537.74

Finding the Fourth Proportional to 705,529,475.03, 973,685,213.20 and 423,282,537.74

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Solution

The fourth proportional to 705,529,475.03, 973,685,213.20 and 423,282,537.74 is: 584,162,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,529,475.03 : 973,685,213.20 = 423,282,537.74 : x
  2. Step 2: Convert to fraction form
    705,529,475.03/973,685,213.20 = 423,282,537.74/x
  3. Step 3: Cross multiply
    705,529,475.03x = 973,685,213.20 × 423,282,537.74
  4. Step 4: Simplify right side
    705,529,475.03x = 412,143,948,006,172,224
  5. Step 5: Solve for x
    x = 412,143,948,006,172,224/705,529,475.03
  6. Step 6: Final answer
    x = 584,162,621.96

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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.