Home / 1,000,618,364,257.60-1,380,756,855,140.40-561,173,588,705.05

Finding the Fourth Proportional to 1,000,618,364,257.60, 1,380,756,855,140.40 and 561,173,588,705.05

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Solution

The fourth proportional to 1,000,618,364,257.60, 1,380,756,855,140.40 and 561,173,588,705.05 is: 774,365,439,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,618,364,257.60 : 1,380,756,855,140.40 = 561,173,588,705.05 : x
  2. Step 2: Convert to fraction form
    1,000,618,364,257.60/1,380,756,855,140.40 = 561,173,588,705.05/x
  3. Step 3: Cross multiply
    1,000,618,364,257.60x = 1,380,756,855,140.40 × 561,173,588,705.05
  4. Step 4: Simplify right side
    1,000,618,364,257.60x = 774,844,279,528,237,192,708,096
  5. Step 5: Solve for x
    x = 774,844,279,528,237,192,708,096/1,000,618,364,257.60
  6. Step 6: Final answer
    x = 774,365,439,618.06

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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.