Home / 547,938,570.03-821,824,810.02-149,128,215.46

Finding the Fourth Proportional to 547,938,570.03, 821,824,810.02 and 149,128,215.46

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Solution

The fourth proportional to 547,938,570.03, 821,824,810.02 and 149,128,215.46 is: 223,669,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,938,570.03 : 821,824,810.02 = 149,128,215.46 : x
  2. Step 2: Convert to fraction form
    547,938,570.03/821,824,810.02 = 149,128,215.46/x
  3. Step 3: Cross multiply
    547,938,570.03x = 821,824,810.02 × 149,128,215.46
  4. Step 4: Simplify right side
    547,938,570.03x = 122,557,267,334,927,008
  5. Step 5: Solve for x
    x = 122,557,267,334,927,008/547,938,570.03
  6. Step 6: Final answer
    x = 223,669,721.46

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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.