Home / 1,020,416,556-1,408,219,441.06-574,408,698.96

Finding the Fourth Proportional to 1,020,416,556, 1,408,219,441.06 and 574,408,698.96

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Solution

The fourth proportional to 1,020,416,556, 1,408,219,441.06 and 574,408,698.96 is: 792,709,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,416,556 : 1,408,219,441.06 = 574,408,698.96 : x
  2. Step 2: Convert to fraction form
    1,020,416,556/1,408,219,441.06 = 574,408,698.96/x
  3. Step 3: Cross multiply
    1,020,416,556x = 1,408,219,441.06 × 574,408,698.96
  4. Step 4: Simplify right side
    1,020,416,556x = 808,893,496,989,453,056
  5. Step 5: Solve for x
    x = 808,893,496,989,453,056/1,020,416,556
  6. Step 6: Final answer
    x = 792,709,107.11

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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.