Home / 1,273,898,852.64-1,910,958,626.88-388,783,341.27

Finding the Fourth Proportional to 1,273,898,852.64, 1,910,958,626.88 and 388,783,341.27

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Solution

The fourth proportional to 1,273,898,852.64, 1,910,958,626.88 and 388,783,341.27 is: 583,208,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,898,852.64 : 1,910,958,626.88 = 388,783,341.27 : x
  2. Step 2: Convert to fraction form
    1,273,898,852.64/1,910,958,626.88 = 388,783,341.27/x
  3. Step 3: Cross multiply
    1,273,898,852.64x = 1,910,958,626.88 × 388,783,341.27
  4. Step 4: Simplify right side
    1,273,898,852.64x = 742,948,879,987,137,664
  5. Step 5: Solve for x
    x = 742,948,879,987,137,664/1,273,898,852.64
  6. Step 6: Final answer
    x = 583,208,689.17

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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.