Home / 855,099,573.81-1,180,086,037.21-478,752,869.01

Finding the Fourth Proportional to 855,099,573.81, 1,180,086,037.21 and 478,752,869.01

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Solution

The fourth proportional to 855,099,573.81, 1,180,086,037.21 and 478,752,869.01 is: 660,706,183.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,099,573.81 : 1,180,086,037.21 = 478,752,869.01 : x
  2. Step 2: Convert to fraction form
    855,099,573.81/1,180,086,037.21 = 478,752,869.01/x
  3. Step 3: Cross multiply
    855,099,573.81x = 1,180,086,037.21 × 478,752,869.01
  4. Step 4: Simplify right side
    855,099,573.81x = 564,969,575,992,929,152
  5. Step 5: Solve for x
    x = 564,969,575,992,929,152/855,099,573.81
  6. Step 6: Final answer
    x = 660,706,183.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.