Home / 1,555,912,004.76-2,147,164,991.35-841,447,542.53

Finding the Fourth Proportional to 1,555,912,004.76, 2,147,164,991.35 and 841,447,542.53

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Solution

The fourth proportional to 1,555,912,004.76, 2,147,164,991.35 and 841,447,542.53 is: 1,161,201,083.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,912,004.76 : 2,147,164,991.35 = 841,447,542.53 : x
  2. Step 2: Convert to fraction form
    1,555,912,004.76/2,147,164,991.35 = 841,447,542.53/x
  3. Step 3: Cross multiply
    1,555,912,004.76x = 2,147,164,991.35 × 841,447,542.53
  4. Step 4: Simplify right side
    1,555,912,004.76x = 1,806,726,705,381,170,688
  5. Step 5: Solve for x
    x = 1,806,726,705,381,170,688/1,555,912,004.76
  6. Step 6: Final answer
    x = 1,161,201,083.26

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Half scale
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Double scale
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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.