Home / 854,269,461.53-1,178,883,172.10-472,792,238.58

Finding the Fourth Proportional to 854,269,461.53, 1,178,883,172.10 and 472,792,238.58

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Solution

The fourth proportional to 854,269,461.53, 1,178,883,172.10 and 472,792,238.58 is: 652,448,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,269,461.53 : 1,178,883,172.10 = 472,792,238.58 : x
  2. Step 2: Convert to fraction form
    854,269,461.53/1,178,883,172.10 = 472,792,238.58/x
  3. Step 3: Cross multiply
    854,269,461.53x = 1,178,883,172.10 × 472,792,238.58
  4. Step 4: Simplify right side
    854,269,461.53x = 557,366,813,959,086,464
  5. Step 5: Solve for x
    x = 557,366,813,959,086,464/854,269,461.53
  6. Step 6: Final answer
    x = 652,448,482.67

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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.