Home / 869,124,739.70-1,303,687,109.55-460,978,051.70

Finding the Fourth Proportional to 869,124,739.70, 1,303,687,109.55 and 460,978,051.70

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Solution

The fourth proportional to 869,124,739.70, 1,303,687,109.55 and 460,978,051.70 is: 691,467,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,124,739.70 : 1,303,687,109.55 = 460,978,051.70 : x
  2. Step 2: Convert to fraction form
    869,124,739.70/1,303,687,109.55 = 460,978,051.70/x
  3. Step 3: Cross multiply
    869,124,739.70x = 1,303,687,109.55 × 460,978,051.70
  4. Step 4: Simplify right side
    869,124,739.70x = 600,971,143,786,763,392
  5. Step 5: Solve for x
    x = 600,971,143,786,763,392/869,124,739.70
  6. Step 6: Final answer
    x = 691,467,077.55

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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.