Home / 2,639,406,904.80-3,958,102,587.60-798,547,768.80

Finding the Fourth Proportional to 2,639,406,904.80, 3,958,102,587.60 and 798,547,768.80

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Solution

The fourth proportional to 2,639,406,904.80, 3,958,102,587.60 and 798,547,768.80 is: 1,197,516,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,406,904.80 : 3,958,102,587.60 = 798,547,768.80 : x
  2. Step 2: Convert to fraction form
    2,639,406,904.80/3,958,102,587.60 = 798,547,768.80/x
  3. Step 3: Cross multiply
    2,639,406,904.80x = 3,958,102,587.60 × 798,547,768.80
  4. Step 4: Simplify right side
    2,639,406,904.80x = 3,160,733,990,009,486,336
  5. Step 5: Solve for x
    x = 3,160,733,990,009,486,336/2,639,406,904.80
  6. Step 6: Final answer
    x = 1,197,516,754.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.