Home / 1,485,167,668.50-2,049,547,695.12-816,112,886.52

Finding the Fourth Proportional to 1,485,167,668.50, 2,049,547,695.12 and 816,112,886.52

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Solution

The fourth proportional to 1,485,167,668.50, 2,049,547,695.12 and 816,112,886.52 is: 1,126,244,747.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,167,668.50 : 2,049,547,695.12 = 816,112,886.52 : x
  2. Step 2: Convert to fraction form
    1,485,167,668.50/2,049,547,695.12 = 816,112,886.52/x
  3. Step 3: Cross multiply
    1,485,167,668.50x = 2,049,547,695.12 × 816,112,886.52
  4. Step 4: Simplify right side
    1,485,167,668.50x = 1,672,662,285,524,795,904
  5. Step 5: Solve for x
    x = 1,672,662,285,524,795,904/1,485,167,668.50
  6. Step 6: Final answer
    x = 1,126,244,747.31

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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.