Home / 1,239,791,688.18-1,710,912,434.02-682,874,735.27

Finding the Fourth Proportional to 1,239,791,688.18, 1,710,912,434.02 and 682,874,735.27

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Solution

The fourth proportional to 1,239,791,688.18, 1,710,912,434.02 and 682,874,735.27 is: 942,367,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,791,688.18 : 1,710,912,434.02 = 682,874,735.27 : x
  2. Step 2: Convert to fraction form
    1,239,791,688.18/1,710,912,434.02 = 682,874,735.27/x
  3. Step 3: Cross multiply
    1,239,791,688.18x = 1,710,912,434.02 × 682,874,735.27
  4. Step 4: Simplify right side
    1,239,791,688.18x = 1,168,338,875,441,296,896
  5. Step 5: Solve for x
    x = 1,168,338,875,441,296,896/1,239,791,688.18
  6. Step 6: Final answer
    x = 942,367,081.97

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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.