Home / 28,720,872,867.24-43,047,034,110.77-13,367,408,089.37

Finding the Fourth Proportional to 28,720,872,867.24, 43,047,034,110.77 and 13,367,408,089.37

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Solution

The fourth proportional to 28,720,872,867.24, 43,047,034,110.77 and 13,367,408,089.37 is: 20,035,159,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,720,872,867.24 : 43,047,034,110.77 = 13,367,408,089.37 : x
  2. Step 2: Convert to fraction form
    28,720,872,867.24/43,047,034,110.77 = 13,367,408,089.37/x
  3. Step 3: Cross multiply
    28,720,872,867.24x = 43,047,034,110.77 × 13,367,408,089.37
  4. Step 4: Simplify right side
    28,720,872,867.24x = 575,427,271,995,411,136,512
  5. Step 5: Solve for x
    x = 575,427,271,995,411,136,512/28,720,872,867.24
  6. Step 6: Final answer
    x = 20,035,159,608.67

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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.