Home / 1,535,047,819.22-2,118,365,991.70-830,199,796.86

Finding the Fourth Proportional to 1,535,047,819.22, 2,118,365,991.70 and 830,199,796.86

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Solution

The fourth proportional to 1,535,047,819.22, 2,118,365,991.70 and 830,199,796.86 is: 1,145,675,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,047,819.22 : 2,118,365,991.70 = 830,199,796.86 : x
  2. Step 2: Convert to fraction form
    1,535,047,819.22/2,118,365,991.70 = 830,199,796.86/x
  3. Step 3: Cross multiply
    1,535,047,819.22x = 2,118,365,991.70 × 830,199,796.86
  4. Step 4: Simplify right side
    1,535,047,819.22x = 1,758,667,015,984,472,576
  5. Step 5: Solve for x
    x = 1,758,667,015,984,472,576/1,535,047,819.22
  6. Step 6: Final answer
    x = 1,145,675,720.30

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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.