Home / 1,555,911,995.19-2,147,164,978.16-841,447,532.97

Finding the Fourth Proportional to 1,555,911,995.19, 2,147,164,978.16 and 841,447,532.97

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Solution

The fourth proportional to 1,555,911,995.19, 2,147,164,978.16 and 841,447,532.97 is: 1,161,201,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,911,995.19 : 2,147,164,978.16 = 841,447,532.97 : x
  2. Step 2: Convert to fraction form
    1,555,911,995.19/2,147,164,978.16 = 841,447,532.97/x
  3. Step 3: Cross multiply
    1,555,911,995.19x = 2,147,164,978.16 × 841,447,532.97
  4. Step 4: Simplify right side
    1,555,911,995.19x = 1,806,726,673,755,826,688
  5. Step 5: Solve for x
    x = 1,806,726,673,755,826,688/1,555,911,995.19
  6. Step 6: Final answer
    x = 1,161,201,070.07

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Half scale
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Double scale
Find fourth proportional to 1,555,911,996.19, 2,147,164,979.54 and 841,447,533.97
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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.