Home / 1,819,317,119.38-2,510,657,605.31-983,941,689.97

Finding the Fourth Proportional to 1,819,317,119.38, 2,510,657,605.31 and 983,941,689.97

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Solution

The fourth proportional to 1,819,317,119.38, 2,510,657,605.31 and 983,941,689.97 is: 1,357,839,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,317,119.38 : 2,510,657,605.31 = 983,941,689.97 : x
  2. Step 2: Convert to fraction form
    1,819,317,119.38/2,510,657,605.31 = 983,941,689.97/x
  3. Step 3: Cross multiply
    1,819,317,119.38x = 2,510,657,605.31 × 983,941,689.97
  4. Step 4: Simplify right side
    1,819,317,119.38x = 2,470,340,687,102,973,440
  5. Step 5: Solve for x
    x = 2,470,340,687,102,973,440/1,819,317,119.38
  6. Step 6: Final answer
    x = 1,357,839,521.65

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Double scale
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1.5x scale

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.