Home / 673,958,819.63-930,045,330.23-376,603,505.24

Finding the Fourth Proportional to 673,958,819.63, 930,045,330.23 and 376,603,505.24

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Solution

The fourth proportional to 673,958,819.63, 930,045,330.23 and 376,603,505.24 is: 519,702,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,958,819.63 : 930,045,330.23 = 376,603,505.24 : x
  2. Step 2: Convert to fraction form
    673,958,819.63/930,045,330.23 = 376,603,505.24/x
  3. Step 3: Cross multiply
    673,958,819.63x = 930,045,330.23 × 376,603,505.24
  4. Step 4: Simplify right side
    673,958,819.63x = 350,258,331,398,871,168
  5. Step 5: Solve for x
    x = 350,258,331,398,871,168/673,958,819.63
  6. Step 6: Final answer
    x = 519,702,867.89

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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.