Home / 1,216,037,387.87-1,678,134,068.06-659,120,812.19

Finding the Fourth Proportional to 1,216,037,387.87, 1,678,134,068.06 and 659,120,812.19

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Solution

The fourth proportional to 1,216,037,387.87, 1,678,134,068.06 and 659,120,812.19 is: 909,588,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,037,387.87 : 1,678,134,068.06 = 659,120,812.19 : x
  2. Step 2: Convert to fraction form
    1,216,037,387.87/1,678,134,068.06 = 659,120,812.19/x
  3. Step 3: Cross multiply
    1,216,037,387.87x = 1,678,134,068.06 × 659,120,812.19
  4. Step 4: Simplify right side
    1,216,037,387.87x = 1,106,093,089,903,415,936
  5. Step 5: Solve for x
    x = 1,106,093,089,903,415,936/1,216,037,387.87
  6. Step 6: Final answer
    x = 909,588,061.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.