Home / 1,207,154,048.40-1,810,731,072.60-839,822,029.20

Finding the Fourth Proportional to 1,207,154,048.40, 1,810,731,072.60 and 839,822,029.20

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Solution

The fourth proportional to 1,207,154,048.40, 1,810,731,072.60 and 839,822,029.20 is: 1,259,733,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,154,048.40 : 1,810,731,072.60 = 839,822,029.20 : x
  2. Step 2: Convert to fraction form
    1,207,154,048.40/1,810,731,072.60 = 839,822,029.20/x
  3. Step 3: Cross multiply
    1,207,154,048.40x = 1,810,731,072.60 × 839,822,029.20
  4. Step 4: Simplify right side
    1,207,154,048.40x = 1,520,691,843,726,424,576
  5. Step 5: Solve for x
    x = 1,520,691,843,726,424,576/1,207,154,048.40
  6. Step 6: Final answer
    x = 1,259,733,043.80

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Double scale
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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.