Home / 920,782,399.35-1,271,242,812.74-599,216,779.83

Finding the Fourth Proportional to 920,782,399.35, 1,271,242,812.74 and 599,216,779.83

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Solution

The fourth proportional to 920,782,399.35, 1,271,242,812.74 and 599,216,779.83 is: 827,285,605.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,782,399.35 : 1,271,242,812.74 = 599,216,779.83 : x
  2. Step 2: Convert to fraction form
    920,782,399.35/1,271,242,812.74 = 599,216,779.83/x
  3. Step 3: Cross multiply
    920,782,399.35x = 1,271,242,812.74 × 599,216,779.83
  4. Step 4: Simplify right side
    920,782,399.35x = 761,750,024,629,098,368
  5. Step 5: Solve for x
    x = 761,750,024,629,098,368/920,782,399.35
  6. Step 6: Final answer
    x = 827,285,605.34

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1.5x scale

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.