Home / 2,045,630,987.69-3,068,556,017.45-646,508,825.78

Finding the Fourth Proportional to 2,045,630,987.69, 3,068,556,017.45 and 646,508,825.78

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Solution

The fourth proportional to 2,045,630,987.69, 3,068,556,017.45 and 646,508,825.78 is: 969,797,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,045,630,987.69 : 3,068,556,017.45 = 646,508,825.78 : x
  2. Step 2: Convert to fraction form
    2,045,630,987.69/3,068,556,017.45 = 646,508,825.78/x
  3. Step 3: Cross multiply
    2,045,630,987.69x = 3,068,556,017.45 × 646,508,825.78
  4. Step 4: Simplify right side
    2,045,630,987.69x = 1,983,848,547,663,177,472
  5. Step 5: Solve for x
    x = 1,983,848,547,663,177,472/2,045,630,987.69
  6. Step 6: Final answer
    x = 969,797,856.80

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1.5x scale

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.