Home / 1,139,056,356,347.70-1,571,899,328,358.50-618,211,782,715.93

Finding the Fourth Proportional to 1,139,056,356,347.70, 1,571,899,328,358.50 and 618,211,782,715.93

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Solution

The fourth proportional to 1,139,056,356,347.70, 1,571,899,328,358.50 and 618,211,782,715.93 is: 853,133,104,976.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,056,356,347.70 : 1,571,899,328,358.50 = 618,211,782,715.93 : x
  2. Step 2: Convert to fraction form
    1,139,056,356,347.70/1,571,899,328,358.50 = 618,211,782,715.93/x
  3. Step 3: Cross multiply
    1,139,056,356,347.70x = 1,571,899,328,358.50 × 618,211,782,715.93
  4. Step 4: Simplify right side
    1,139,056,356,347.70x = 971,766,686,034,481,440,096,256
  5. Step 5: Solve for x
    x = 971,766,686,034,481,440,096,256/1,139,056,356,347.70
  6. Step 6: Final answer
    x = 853,133,104,976.81

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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.