Home / 914,255,755.56-1,261,666,008.20-496,571,030.22

Finding the Fourth Proportional to 914,255,755.56, 1,261,666,008.20 and 496,571,030.22

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Solution

The fourth proportional to 914,255,755.56, 1,261,666,008.20 and 496,571,030.22 is: 685,264,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,255,755.56 : 1,261,666,008.20 = 496,571,030.22 : x
  2. Step 2: Convert to fraction form
    914,255,755.56/1,261,666,008.20 = 496,571,030.22/x
  3. Step 3: Cross multiply
    914,255,755.56x = 1,261,666,008.20 × 496,571,030.22
  4. Step 4: Simplify right side
    914,255,755.56x = 626,506,789,485,428,992
  5. Step 5: Solve for x
    x = 626,506,789,485,428,992/914,255,755.56
  6. Step 6: Final answer
    x = 685,264,255.30

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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.