Home / 767,043,619.56-1,058,519,738.84-414,619,615.76

Finding the Fourth Proportional to 767,043,619.56, 1,058,519,738.84 and 414,619,615.76

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Solution

The fourth proportional to 767,043,619.56, 1,058,519,738.84 and 414,619,615.76 is: 572,174,823.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,043,619.56 : 1,058,519,738.84 = 414,619,615.76 : x
  2. Step 2: Convert to fraction form
    767,043,619.56/1,058,519,738.84 = 414,619,615.76/x
  3. Step 3: Cross multiply
    767,043,619.56x = 1,058,519,738.84 × 414,619,615.76
  4. Step 4: Simplify right side
    767,043,619.56x = 438,883,047,384,850,688
  5. Step 5: Solve for x
    x = 438,883,047,384,850,688/767,043,619.56
  6. Step 6: Final answer
    x = 572,174,823.17

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1.5x scale

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.