Home / 772,474,276.80-1,158,916,701.60-335,587,492.80

Finding the Fourth Proportional to 772,474,276.80, 1,158,916,701.60 and 335,587,492.80

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Solution

The fourth proportional to 772,474,276.80, 1,158,916,701.60 and 335,587,492.80 is: 503,470,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,474,276.80 : 1,158,916,701.60 = 335,587,492.80 : x
  2. Step 2: Convert to fraction form
    772,474,276.80/1,158,916,701.60 = 335,587,492.80/x
  3. Step 3: Cross multiply
    772,474,276.80x = 1,158,916,701.60 × 335,587,492.80
  4. Step 4: Simplify right side
    772,474,276.80x = 388,917,950,253,989,760
  5. Step 5: Solve for x
    x = 388,917,950,253,989,760/772,474,276.80
  6. Step 6: Final answer
    x = 503,470,422.17

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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.