Home / 1,993,302,434.30-2,989,953,651.45-957,913,648.70

Finding the Fourth Proportional to 1,993,302,434.30, 2,989,953,651.45 and 957,913,648.70

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Solution

The fourth proportional to 1,993,302,434.30, 2,989,953,651.45 and 957,913,648.70 is: 1,436,870,473.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,302,434.30 : 2,989,953,651.45 = 957,913,648.70 : x
  2. Step 2: Convert to fraction form
    1,993,302,434.30/2,989,953,651.45 = 957,913,648.70/x
  3. Step 3: Cross multiply
    1,993,302,434.30x = 2,989,953,651.45 × 957,913,648.70
  4. Step 4: Simplify right side
    1,993,302,434.30x = 2,864,117,411,704,357,376
  5. Step 5: Solve for x
    x = 2,864,117,411,704,357,376/1,993,302,434.30
  6. Step 6: Final answer
    x = 1,436,870,473.05

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Double scale
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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.