Home / 1,110,065,048,946.30-1,663,922,379,236.80-373,389,141,078.72

Finding the Fourth Proportional to 1,110,065,048,946.30, 1,663,922,379,236.80 and 373,389,141,078.72

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Solution

The fourth proportional to 1,110,065,048,946.30, 1,663,922,379,236.80 and 373,389,141,078.72 is: 559,688,415,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,065,048,946.30 : 1,663,922,379,236.80 = 373,389,141,078.72 : x
  2. Step 2: Convert to fraction form
    1,110,065,048,946.30/1,663,922,379,236.80 = 373,389,141,078.72/x
  3. Step 3: Cross multiply
    1,110,065,048,946.30x = 1,663,922,379,236.80 × 373,389,141,078.72
  4. Step 4: Simplify right side
    1,110,065,048,946.30x = 621,290,548,004,888,976,031,744
  5. Step 5: Solve for x
    x = 621,290,548,004,888,976,031,744/1,110,065,048,946.30
  6. Step 6: Final answer
    x = 559,688,415,192.09

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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.