Home / 1,211,180,448.03-1,671,430,505.98-654,263,495.09

Finding the Fourth Proportional to 1,211,180,448.03, 1,671,430,505.98 and 654,263,495.09

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Solution

The fourth proportional to 1,211,180,448.03, 1,671,430,505.98 and 654,263,495.09 is: 902,884,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,180,448.03 : 1,671,430,505.98 = 654,263,495.09 : x
  2. Step 2: Convert to fraction form
    1,211,180,448.03/1,671,430,505.98 = 654,263,495.09/x
  3. Step 3: Cross multiply
    1,211,180,448.03x = 1,671,430,505.98 × 654,263,495.09
  4. Step 4: Simplify right side
    1,211,180,448.03x = 1,093,555,964,642,521,984
  5. Step 5: Solve for x
    x = 1,093,555,964,642,521,984/1,211,180,448.03
  6. Step 6: Final answer
    x = 902,884,426.86

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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.