Home / 1,556,312,456,345.40-2,147,778,701,469-861,853,014,151.40

Finding the Fourth Proportional to 1,556,312,456,345.40, 2,147,778,701,469 and 861,853,014,151.40

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Solution

The fourth proportional to 1,556,312,456,345.40, 2,147,778,701,469 and 861,853,014,151.40 is: 1,189,394,546,091.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,312,456,345.40 : 2,147,778,701,469 = 861,853,014,151.40 : x
  2. Step 2: Convert to fraction form
    1,556,312,456,345.40/2,147,778,701,469 = 861,853,014,151.40/x
  3. Step 3: Cross multiply
    1,556,312,456,345.40x = 2,147,778,701,469 × 861,853,014,151.40
  4. Step 4: Simplify right side
    1,556,312,456,345.40x = 1,851,069,547,591,237,665,554,432
  5. Step 5: Solve for x
    x = 1,851,069,547,591,237,665,554,432/1,556,312,456,345.40
  6. Step 6: Final answer
    x = 1,189,394,546,091.34

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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.