Home / 482,975,998.40-724,463,997.60-448,963,774.40

Finding the Fourth Proportional to 482,975,998.40, 724,463,997.60 and 448,963,774.40

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Solution

The fourth proportional to 482,975,998.40, 724,463,997.60 and 448,963,774.40 is: 673,445,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,975,998.40 : 724,463,997.60 = 448,963,774.40 : x
  2. Step 2: Convert to fraction form
    482,975,998.40/724,463,997.60 = 448,963,774.40/x
  3. Step 3: Cross multiply
    482,975,998.40x = 724,463,997.60 × 448,963,774.40
  4. Step 4: Simplify right side
    482,975,998.40x = 325,258,090,779,408,512
  5. Step 5: Solve for x
    x = 325,258,090,779,408,512/482,975,998.40
  6. Step 6: Final answer
    x = 673,445,661.60

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Similar ratio
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1.5x scale

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.