Home / 1,158,828,009.60-1,738,242,014.40-1,053,390,115.20

Finding the Fourth Proportional to 1,158,828,009.60, 1,738,242,014.40 and 1,053,390,115.20

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Solution

The fourth proportional to 1,158,828,009.60, 1,738,242,014.40 and 1,053,390,115.20 is: 1,580,085,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,828,009.60 : 1,738,242,014.40 = 1,053,390,115.20 : x
  2. Step 2: Convert to fraction form
    1,158,828,009.60/1,738,242,014.40 = 1,053,390,115.20/x
  3. Step 3: Cross multiply
    1,158,828,009.60x = 1,738,242,014.40 × 1,053,390,115.20
  4. Step 4: Simplify right side
    1,158,828,009.60x = 1,831,046,955,794,296,320
  5. Step 5: Solve for x
    x = 1,831,046,955,794,296,320/1,158,828,009.60
  6. Step 6: Final answer
    x = 1,580,085,172.80

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Double scale
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Similar ratio
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1.5x scale

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.