Home / 315,425,408.40-473,138,112.60-223,592,403.60

Finding the Fourth Proportional to 315,425,408.40, 473,138,112.60 and 223,592,403.60

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Solution

The fourth proportional to 315,425,408.40, 473,138,112.60 and 223,592,403.60 is: 335,388,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,425,408.40 : 473,138,112.60 = 223,592,403.60 : x
  2. Step 2: Convert to fraction form
    315,425,408.40/473,138,112.60 = 223,592,403.60/x
  3. Step 3: Cross multiply
    315,425,408.40x = 473,138,112.60 × 223,592,403.60
  4. Step 4: Simplify right side
    315,425,408.40x = 105,790,087,831,001,440
  5. Step 5: Solve for x
    x = 105,790,087,831,001,440/315,425,408.40
  6. Step 6: Final answer
    x = 335,388,605.40

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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.