Home / 1,139,056,356,264.90-1,571,899,328,244.20-618,211,782,632.89

Finding the Fourth Proportional to 1,139,056,356,264.90, 1,571,899,328,244.20 and 618,211,782,632.89

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Solution

The fourth proportional to 1,139,056,356,264.90, 1,571,899,328,244.20 and 618,211,782,632.89 is: 853,133,104,862.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,056,356,264.90 : 1,571,899,328,244.20 = 618,211,782,632.89 : x
  2. Step 2: Convert to fraction form
    1,139,056,356,264.90/1,571,899,328,244.20 = 618,211,782,632.89/x
  3. Step 3: Cross multiply
    1,139,056,356,264.90x = 1,571,899,328,244.20 × 618,211,782,632.89
  4. Step 4: Simplify right side
    1,139,056,356,264.90x = 971,766,685,833,289,200,041,984
  5. Step 5: Solve for x
    x = 971,766,685,833,289,200,041,984/1,139,056,356,264.90
  6. Step 6: Final answer
    x = 853,133,104,862.19

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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.