Home / 1,555,911,995.44-2,147,164,978.50-841,447,533.22

Finding the Fourth Proportional to 1,555,911,995.44, 2,147,164,978.50 and 841,447,533.22

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Solution

The fourth proportional to 1,555,911,995.44, 2,147,164,978.50 and 841,447,533.22 is: 1,161,201,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,911,995.44 : 2,147,164,978.50 = 841,447,533.22 : x
  2. Step 2: Convert to fraction form
    1,555,911,995.44/2,147,164,978.50 = 841,447,533.22/x
  3. Step 3: Cross multiply
    1,555,911,995.44x = 2,147,164,978.50 × 841,447,533.22
  4. Step 4: Simplify right side
    1,555,911,995.44x = 1,806,726,674,582,670,848
  5. Step 5: Solve for x
    x = 1,806,726,674,582,670,848/1,555,911,995.44
  6. Step 6: Final answer
    x = 1,161,201,070.42

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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.