Home / 1,556,312,456,346.40-2,147,778,701,470.40-861,853,014,152.40

Finding the Fourth Proportional to 1,556,312,456,346.40, 2,147,778,701,470.40 and 861,853,014,152.40

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Solution

The fourth proportional to 1,556,312,456,346.40, 2,147,778,701,470.40 and 861,853,014,152.40 is: 1,189,394,546,092.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,312,456,346.40 : 2,147,778,701,470.40 = 861,853,014,152.40 : x
  2. Step 2: Convert to fraction form
    1,556,312,456,346.40/2,147,778,701,470.40 = 861,853,014,152.40/x
  3. Step 3: Cross multiply
    1,556,312,456,346.40x = 2,147,778,701,470.40 × 861,853,014,152.40
  4. Step 4: Simplify right side
    1,556,312,456,346.40x = 1,851,069,547,594,592,035,012,608
  5. Step 5: Solve for x
    x = 1,851,069,547,594,592,035,012,608/1,556,312,456,346.40
  6. Step 6: Final answer
    x = 1,189,394,546,092.73

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Double scale
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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.