Home / 1,555,911,996.19-2,147,164,979.54-841,447,533.98

Finding the Fourth Proportional to 1,555,911,996.19, 2,147,164,979.54 and 841,447,533.98

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Solution

The fourth proportional to 1,555,911,996.19, 2,147,164,979.54 and 841,447,533.98 is: 1,161,201,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,911,996.19 : 2,147,164,979.54 = 841,447,533.98 : x
  2. Step 2: Convert to fraction form
    1,555,911,996.19/2,147,164,979.54 = 841,447,533.98/x
  3. Step 3: Cross multiply
    1,555,911,996.19x = 2,147,164,979.54 × 841,447,533.98
  4. Step 4: Simplify right side
    1,555,911,996.19x = 1,806,726,677,067,207,168
  5. Step 5: Solve for x
    x = 1,806,726,677,067,207,168/1,555,911,996.19
  6. Step 6: Final answer
    x = 1,161,201,071.46

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Half scale
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Double scale
Find fourth proportional to 1,555,911,997.19, 2,147,164,980.92 and 841,447,534.98
Similar ratio
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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.