Home / 20,155,408,627.40-30,233,112,941.10-19,339,115,251.40

Finding the Fourth Proportional to 20,155,408,627.40, 30,233,112,941.10 and 19,339,115,251.40

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Solution

The fourth proportional to 20,155,408,627.40, 30,233,112,941.10 and 19,339,115,251.40 is: 29,008,672,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,408,627.40 : 30,233,112,941.10 = 19,339,115,251.40 : x
  2. Step 2: Convert to fraction form
    20,155,408,627.40/30,233,112,941.10 = 19,339,115,251.40/x
  3. Step 3: Cross multiply
    20,155,408,627.40x = 30,233,112,941.10 × 19,339,115,251.40
  4. Step 4: Simplify right side
    20,155,408,627.40x = 584,681,655,576,525,733,888
  5. Step 5: Solve for x
    x = 584,681,655,576,525,733,888/20,155,408,627.40
  6. Step 6: Final answer
    x = 29,008,672,877.10

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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.