Home / 1,158,884,071.40-1,738,326,107.10-886,786,279.40

Finding the Fourth Proportional to 1,158,884,071.40, 1,738,326,107.10 and 886,786,279.40

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Solution

The fourth proportional to 1,158,884,071.40, 1,738,326,107.10 and 886,786,279.40 is: 1,330,179,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,884,071.40 : 1,738,326,107.10 = 886,786,279.40 : x
  2. Step 2: Convert to fraction form
    1,158,884,071.40/1,738,326,107.10 = 886,786,279.40/x
  3. Step 3: Cross multiply
    1,158,884,071.40x = 1,738,326,107.10 × 886,786,279.40
  4. Step 4: Simplify right side
    1,158,884,071.40x = 1,541,523,740,899,094,784
  5. Step 5: Solve for x
    x = 1,541,523,740,899,094,784/1,158,884,071.40
  6. Step 6: Final answer
    x = 1,330,179,419.10

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Double scale
Find fourth proportional to 1,158,884,072.40, 1,738,326,108.60 and 886,786,280.40
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.