Home / 1,772,936,009.80-2,659,404,014.70-1,038,271,971.40

Finding the Fourth Proportional to 1,772,936,009.80, 2,659,404,014.70 and 1,038,271,971.40

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Solution

The fourth proportional to 1,772,936,009.80, 2,659,404,014.70 and 1,038,271,971.40 is: 1,557,407,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,936,009.80 : 2,659,404,014.70 = 1,038,271,971.40 : x
  2. Step 2: Convert to fraction form
    1,772,936,009.80/2,659,404,014.70 = 1,038,271,971.40/x
  3. Step 3: Cross multiply
    1,772,936,009.80x = 2,659,404,014.70 × 1,038,271,971.40
  4. Step 4: Simplify right side
    1,772,936,009.80x = 2,761,184,649,091,643,392
  5. Step 5: Solve for x
    x = 2,761,184,649,091,643,392/1,772,936,009.80
  6. Step 6: Final answer
    x = 1,557,407,957.10

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.