Home / 1,158,887,487.40-1,738,331,231.10-886,789,695.40

Finding the Fourth Proportional to 1,158,887,487.40, 1,738,331,231.10 and 886,789,695.40

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Solution

The fourth proportional to 1,158,887,487.40, 1,738,331,231.10 and 886,789,695.40 is: 1,330,184,543.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,887,487.40 : 1,738,331,231.10 = 886,789,695.40 : x
  2. Step 2: Convert to fraction form
    1,158,887,487.40/1,738,331,231.10 = 886,789,695.40/x
  3. Step 3: Cross multiply
    1,158,887,487.40x = 1,738,331,231.10 × 886,789,695.40
  4. Step 4: Simplify right side
    1,158,887,487.40x = 1,541,534,222,931,475,968
  5. Step 5: Solve for x
    x = 1,541,534,222,931,475,968/1,158,887,487.40
  6. Step 6: Final answer
    x = 1,330,184,543.10

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Double scale
Find fourth proportional to 1,158,887,488.40, 1,738,331,232.60 and 886,789,696.40
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.