Home / 1,119,745,395.40-1,679,618,093.10-847,647,603.40

Finding the Fourth Proportional to 1,119,745,395.40, 1,679,618,093.10 and 847,647,603.40

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Solution

The fourth proportional to 1,119,745,395.40, 1,679,618,093.10 and 847,647,603.40 is: 1,271,471,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,745,395.40 : 1,679,618,093.10 = 847,647,603.40 : x
  2. Step 2: Convert to fraction form
    1,119,745,395.40/1,679,618,093.10 = 847,647,603.40/x
  3. Step 3: Cross multiply
    1,119,745,395.40x = 1,679,618,093.10 × 847,647,603.40
  4. Step 4: Simplify right side
    1,119,745,395.40x = 1,423,724,251,243,492,864
  5. Step 5: Solve for x
    x = 1,423,724,251,243,492,864/1,119,745,395.40
  6. Step 6: Final answer
    x = 1,271,471,405.10

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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.