Home / 1,438,191,821.16-1,984,139,984.46-835,259,803.32

Finding the Fourth Proportional to 1,438,191,821.16, 1,984,139,984.46 and 835,259,803.32

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Solution

The fourth proportional to 1,438,191,821.16, 1,984,139,984.46 and 835,259,803.32 is: 1,152,330,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,191,821.16 : 1,984,139,984.46 = 835,259,803.32 : x
  2. Step 2: Convert to fraction form
    1,438,191,821.16/1,984,139,984.46 = 835,259,803.32/x
  3. Step 3: Cross multiply
    1,438,191,821.16x = 1,984,139,984.46 × 835,259,803.32
  4. Step 4: Simplify right side
    1,438,191,821.16x = 1,657,272,373,179,407,616
  5. Step 5: Solve for x
    x = 1,657,272,373,179,407,616/1,438,191,821.16
  6. Step 6: Final answer
    x = 1,152,330,550.62

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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.