Home / 1,685,359,303.12-2,325,702,288.36-942,659,876.80

Finding the Fourth Proportional to 1,685,359,303.12, 2,325,702,288.36 and 942,659,876.80

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Solution

The fourth proportional to 1,685,359,303.12, 2,325,702,288.36 and 942,659,876.80 is: 1,300,818,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,359,303.12 : 2,325,702,288.36 = 942,659,876.80 : x
  2. Step 2: Convert to fraction form
    1,685,359,303.12/2,325,702,288.36 = 942,659,876.80/x
  3. Step 3: Cross multiply
    1,685,359,303.12x = 2,325,702,288.36 × 942,659,876.80
  4. Step 4: Simplify right side
    1,685,359,303.12x = 2,192,346,232,618,915,584
  5. Step 5: Solve for x
    x = 2,192,346,232,618,915,584/1,685,359,303.12
  6. Step 6: Final answer
    x = 1,300,818,305.37

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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.