Home / 1,478,876,836.60-2,040,913,807.16-818,827,172.92

Finding the Fourth Proportional to 1,478,876,836.60, 2,040,913,807.16 and 818,827,172.92

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Solution

The fourth proportional to 1,478,876,836.60, 2,040,913,807.16 and 818,827,172.92 is: 1,130,016,808.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,876,836.60 : 2,040,913,807.16 = 818,827,172.92 : x
  2. Step 2: Convert to fraction form
    1,478,876,836.60/2,040,913,807.16 = 818,827,172.92/x
  3. Step 3: Cross multiply
    1,478,876,836.60x = 2,040,913,807.16 × 818,827,172.92
  4. Step 4: Simplify right side
    1,478,876,836.60x = 1,671,155,682,890,216,960
  5. Step 5: Solve for x
    x = 1,671,155,682,890,216,960/1,478,876,836.60
  6. Step 6: Final answer
    x = 1,130,016,808.39

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Double scale
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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.