Home / 28,720,872,860.49-43,047,034,100.64-13,367,408,082.62

Finding the Fourth Proportional to 28,720,872,860.49, 43,047,034,100.64 and 13,367,408,082.62

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Solution

The fourth proportional to 28,720,872,860.49, 43,047,034,100.64 and 13,367,408,082.62 is: 20,035,159,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,720,872,860.49 : 43,047,034,100.64 = 13,367,408,082.62 : x
  2. Step 2: Convert to fraction form
    28,720,872,860.49/43,047,034,100.64 = 13,367,408,082.62/x
  3. Step 3: Cross multiply
    28,720,872,860.49x = 43,047,034,100.64 × 13,367,408,082.62
  4. Step 4: Simplify right side
    28,720,872,860.49x = 575,427,271,569,498,636,288
  5. Step 5: Solve for x
    x = 575,427,271,569,498,636,288/28,720,872,860.49
  6. Step 6: Final answer
    x = 20,035,159,598.55

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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.