Home / 1,478,876,833.09-2,040,913,802.33-818,827,169.41

Finding the Fourth Proportional to 1,478,876,833.09, 2,040,913,802.33 and 818,827,169.41

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Solution

The fourth proportional to 1,478,876,833.09, 2,040,913,802.33 and 818,827,169.41 is: 1,130,016,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,876,833.09 : 2,040,913,802.33 = 818,827,169.41 : x
  2. Step 2: Convert to fraction form
    1,478,876,833.09/2,040,913,802.33 = 818,827,169.41/x
  3. Step 3: Cross multiply
    1,478,876,833.09x = 2,040,913,802.33 × 818,827,169.41
  4. Step 4: Simplify right side
    1,478,876,833.09x = 1,671,155,671,771,674,112
  5. Step 5: Solve for x
    x = 1,671,155,671,771,674,112/1,478,876,833.09
  6. Step 6: Final answer
    x = 1,130,016,803.55

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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.