Home / 550,435,716,005.10-825,653,574,007.65-173,243,127,914.70

Finding the Fourth Proportional to 550,435,716,005.10, 825,653,574,007.65 and 173,243,127,914.70

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Solution

The fourth proportional to 550,435,716,005.10, 825,653,574,007.65 and 173,243,127,914.70 is: 259,864,691,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,435,716,005.10 : 825,653,574,007.65 = 173,243,127,914.70 : x
  2. Step 2: Convert to fraction form
    550,435,716,005.10/825,653,574,007.65 = 173,243,127,914.70/x
  3. Step 3: Cross multiply
    550,435,716,005.10x = 825,653,574,007.65 × 173,243,127,914.70
  4. Step 4: Simplify right side
    550,435,716,005.10x = 143,038,807,735,036,542,976,000
  5. Step 5: Solve for x
    x = 143,038,807,735,036,542,976,000/550,435,716,005.10
  6. Step 6: Final answer
    x = 259,864,691,872.05

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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.