Home / 655,528,340.70-983,292,511.05-448,904,079.90

Finding the Fourth Proportional to 655,528,340.70, 983,292,511.05 and 448,904,079.90

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Solution

The fourth proportional to 655,528,340.70, 983,292,511.05 and 448,904,079.90 is: 673,356,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,528,340.70 : 983,292,511.05 = 448,904,079.90 : x
  2. Step 2: Convert to fraction form
    655,528,340.70/983,292,511.05 = 448,904,079.90/x
  3. Step 3: Cross multiply
    655,528,340.70x = 983,292,511.05 × 448,904,079.90
  4. Step 4: Simplify right side
    655,528,340.70x = 441,404,019,945,460,800
  5. Step 5: Solve for x
    x = 441,404,019,945,460,800/655,528,340.70
  6. Step 6: Final answer
    x = 673,356,119.85

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1.5x scale

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.