Home / 1,959,042,071.52-2,703,478,059.54-1,078,975,775.52

Finding the Fourth Proportional to 1,959,042,071.52, 2,703,478,059.54 and 1,078,975,775.52

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Solution

The fourth proportional to 1,959,042,071.52, 2,703,478,059.54 and 1,078,975,775.52 is: 1,488,986,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,042,071.52 : 2,703,478,059.54 = 1,078,975,775.52 : x
  2. Step 2: Convert to fraction form
    1,959,042,071.52/2,703,478,059.54 = 1,078,975,775.52/x
  3. Step 3: Cross multiply
    1,959,042,071.52x = 2,703,478,059.54 × 1,078,975,775.52
  4. Step 4: Simplify right side
    1,959,042,071.52x = 2,916,987,335,893,476,352
  5. Step 5: Solve for x
    x = 2,916,987,335,893,476,352/1,959,042,071.52
  6. Step 6: Final answer
    x = 1,488,986,570.68

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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.