Home / 10,155,624,762.96-15,226,482,716.28-5,171,699,157.84

Finding the Fourth Proportional to 10,155,624,762.96, 15,226,482,716.28 and 5,171,699,157.84

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Solution

The fourth proportional to 10,155,624,762.96, 15,226,482,716.28 and 5,171,699,157.84 is: 7,754,007,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155,624,762.96 : 15,226,482,716.28 = 5,171,699,157.84 : x
  2. Step 2: Convert to fraction form
    10,155,624,762.96/15,226,482,716.28 = 5,171,699,157.84/x
  3. Step 3: Cross multiply
    10,155,624,762.96x = 15,226,482,716.28 × 5,171,699,157.84
  4. Step 4: Simplify right side
    10,155,624,762.96x = 78,746,787,840,650,592,256
  5. Step 5: Solve for x
    x = 78,746,787,840,650,592,256/10,155,624,762.96
  6. Step 6: Final answer
    x = 7,754,007,230.34

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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.