Home / 929,298,003.98-1,282,385,116.40-511,601,321.21

Finding the Fourth Proportional to 929,298,003.98, 1,282,385,116.40 and 511,601,321.21

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Solution

The fourth proportional to 929,298,003.98, 1,282,385,116.40 and 511,601,321.21 is: 705,984,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,298,003.98 : 1,282,385,116.40 = 511,601,321.21 : x
  2. Step 2: Convert to fraction form
    929,298,003.98/1,282,385,116.40 = 511,601,321.21/x
  3. Step 3: Cross multiply
    929,298,003.98x = 1,282,385,116.40 × 511,601,321.21
  4. Step 4: Simplify right side
    929,298,003.98x = 656,069,919,841,309,696
  5. Step 5: Solve for x
    x = 656,069,919,841,309,696/929,298,003.98
  6. Step 6: Final answer
    x = 705,984,428.07

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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.