Home / 1,817,624,140.38-2,731,359,315.24-989,190,289.98

Finding the Fourth Proportional to 1,817,624,140.38, 2,731,359,315.24 and 989,190,289.98

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Solution

The fourth proportional to 1,817,624,140.38, 2,731,359,315.24 and 989,190,289.98 is: 1,486,464,694.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,624,140.38 : 2,731,359,315.24 = 989,190,289.98 : x
  2. Step 2: Convert to fraction form
    1,817,624,140.38/2,731,359,315.24 = 989,190,289.98/x
  3. Step 3: Cross multiply
    1,817,624,140.38x = 2,731,359,315.24 × 989,190,289.98
  4. Step 4: Simplify right side
    1,817,624,140.38x = 2,701,834,113,081,829,888
  5. Step 5: Solve for x
    x = 2,701,834,113,081,829,888/1,817,624,140.38
  6. Step 6: Final answer
    x = 1,486,464,694.79

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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.