Home / 1,139,056,356,346.70-1,571,899,328,357.10-618,211,782,714.93

Finding the Fourth Proportional to 1,139,056,356,346.70, 1,571,899,328,357.10 and 618,211,782,714.93

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Solution

The fourth proportional to 1,139,056,356,346.70, 1,571,899,328,357.10 and 618,211,782,714.93 is: 853,133,104,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,056,356,346.70 : 1,571,899,328,357.10 = 618,211,782,714.93 : x
  2. Step 2: Convert to fraction form
    1,139,056,356,346.70/1,571,899,328,357.10 = 618,211,782,714.93/x
  3. Step 3: Cross multiply
    1,139,056,356,346.70x = 1,571,899,328,357.10 × 618,211,782,714.93
  4. Step 4: Simplify right side
    1,139,056,356,346.70x = 971,766,686,032,044,046,155,776
  5. Step 5: Solve for x
    x = 971,766,686,032,044,046,155,776/1,139,056,356,346.70
  6. Step 6: Final answer
    x = 853,133,104,975.42

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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.