Home / 1,021,106,016.08-1,530,497,166.56-621,382,977.84

Finding the Fourth Proportional to 1,021,106,016.08, 1,530,497,166.56 and 621,382,977.84

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Solution

The fourth proportional to 1,021,106,016.08, 1,530,497,166.56 and 621,382,977.84 is: 931,367,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,106,016.08 : 1,530,497,166.56 = 621,382,977.84 : x
  2. Step 2: Convert to fraction form
    1,021,106,016.08/1,530,497,166.56 = 621,382,977.84/x
  3. Step 3: Cross multiply
    1,021,106,016.08x = 1,530,497,166.56 × 621,382,977.84
  4. Step 4: Simplify right side
    1,021,106,016.08x = 951,024,886,932,735,232
  5. Step 5: Solve for x
    x = 951,024,886,932,735,232/1,021,106,016.08
  6. Step 6: Final answer
    x = 931,367,430.96

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Double scale
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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.