Home / 1,148,517,517.36-1,584,946,111.80-626,996,749.36

Finding the Fourth Proportional to 1,148,517,517.36, 1,584,946,111.80 and 626,996,749.36

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Solution

The fourth proportional to 1,148,517,517.36, 1,584,946,111.80 and 626,996,749.36 is: 865,251,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,517,517.36 : 1,584,946,111.80 = 626,996,749.36 : x
  2. Step 2: Convert to fraction form
    1,148,517,517.36/1,584,946,111.80 = 626,996,749.36/x
  3. Step 3: Cross multiply
    1,148,517,517.36x = 1,584,946,111.80 × 626,996,749.36
  4. Step 4: Simplify right side
    1,148,517,517.36x = 993,756,060,009,371,136
  5. Step 5: Solve for x
    x = 993,756,060,009,371,136/1,148,517,517.36
  6. Step 6: Final answer
    x = 865,251,112.84

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Double scale
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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.