Home / 1,570,772,847.94-2,167,673,100.34-865,909,357.54

Finding the Fourth Proportional to 1,570,772,847.94, 2,167,673,100.34 and 865,909,357.54

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Solution

The fourth proportional to 1,570,772,847.94, 2,167,673,100.34 and 865,909,357.54 is: 1,194,958,535.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,772,847.94 : 2,167,673,100.34 = 865,909,357.54 : x
  2. Step 2: Convert to fraction form
    1,570,772,847.94/2,167,673,100.34 = 865,909,357.54/x
  3. Step 3: Cross multiply
    1,570,772,847.94x = 2,167,673,100.34 × 865,909,357.54
  4. Step 4: Simplify right side
    1,570,772,847.94x = 1,877,008,421,672,149,504
  5. Step 5: Solve for x
    x = 1,877,008,421,672,149,504/1,570,772,847.94
  6. Step 6: Final answer
    x = 1,194,958,535.31

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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.