Home / 1,158,828,010.10-1,738,242,015.15-1,053,390,115.70

Finding the Fourth Proportional to 1,158,828,010.10, 1,738,242,015.15 and 1,053,390,115.70

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Solution

The fourth proportional to 1,158,828,010.10, 1,738,242,015.15 and 1,053,390,115.70 is: 1,580,085,173.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,828,010.10 : 1,738,242,015.15 = 1,053,390,115.70 : x
  2. Step 2: Convert to fraction form
    1,158,828,010.10/1,738,242,015.15 = 1,053,390,115.70/x
  3. Step 3: Cross multiply
    1,158,828,010.10x = 1,738,242,015.15 × 1,053,390,115.70
  4. Step 4: Simplify right side
    1,158,828,010.10x = 1,831,046,957,453,459,712
  5. Step 5: Solve for x
    x = 1,831,046,957,453,459,712/1,158,828,010.10
  6. Step 6: Final answer
    x = 1,580,085,173.55

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Double scale
Find fourth proportional to 1,158,828,011.10, 1,738,242,016.65 and 1,053,390,116.70
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.