Home / 446,412,447.15-669,731,848.79-315,512,274.03

Finding the Fourth Proportional to 446,412,447.15, 669,731,848.79 and 315,512,274.03

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Solution

The fourth proportional to 446,412,447.15, 669,731,848.79 and 315,512,274.03 is: 473,348,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,412,447.15 : 669,731,848.79 = 315,512,274.03 : x
  2. Step 2: Convert to fraction form
    446,412,447.15/669,731,848.79 = 315,512,274.03/x
  3. Step 3: Cross multiply
    446,412,447.15x = 669,731,848.79 × 315,512,274.03
  4. Step 4: Simplify right side
    446,412,447.15x = 211,308,618,600,471,424
  5. Step 5: Solve for x
    x = 211,308,618,600,471,424/446,412,447.15
  6. Step 6: Final answer
    x = 473,348,402.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.