Home / 1,819,317,115.72-2,510,657,600.25-983,941,686.31

Finding the Fourth Proportional to 1,819,317,115.72, 2,510,657,600.25 and 983,941,686.31

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Solution

The fourth proportional to 1,819,317,115.72, 2,510,657,600.25 and 983,941,686.31 is: 1,357,839,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,317,115.72 : 2,510,657,600.25 = 983,941,686.31 : x
  2. Step 2: Convert to fraction form
    1,819,317,115.72/2,510,657,600.25 = 983,941,686.31/x
  3. Step 3: Cross multiply
    1,819,317,115.72x = 2,510,657,600.25 × 983,941,686.31
  4. Step 4: Simplify right side
    1,819,317,115.72x = 2,470,340,672,933,453,312
  5. Step 5: Solve for x
    x = 2,470,340,672,933,453,312/1,819,317,115.72
  6. Step 6: Final answer
    x = 1,357,839,516.59

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Why These Related Problems?

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