Home / 120,347,139,890.39-180,521,479,094.21-35,356,586,768.88

Finding the Fourth Proportional to 120,347,139,890.39, 180,521,479,094.21 and 35,356,586,768.88

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Solution

The fourth proportional to 120,347,139,890.39, 180,521,479,094.21 and 35,356,586,768.88 is: 53,035,106,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,347,139,890.39 : 180,521,479,094.21 = 35,356,586,768.88 : x
  2. Step 2: Convert to fraction form
    120,347,139,890.39/180,521,479,094.21 = 35,356,586,768.88/x
  3. Step 3: Cross multiply
    120,347,139,890.39x = 180,521,479,094.21 × 35,356,586,768.88
  4. Step 4: Simplify right side
    120,347,139,890.39x = 6,382,623,339,240,992,276,480
  5. Step 5: Solve for x
    x = 6,382,623,339,240,992,276,480/120,347,139,890.39
  6. Step 6: Final answer
    x = 53,035,106,152.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.