Home / 1,431,330,444.70-2,146,995,667.05-1,159,232,652.70

Finding the Fourth Proportional to 1,431,330,444.70, 2,146,995,667.05 and 1,159,232,652.70

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Solution

The fourth proportional to 1,431,330,444.70, 2,146,995,667.05 and 1,159,232,652.70 is: 1,738,848,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,330,444.70 : 2,146,995,667.05 = 1,159,232,652.70 : x
  2. Step 2: Convert to fraction form
    1,431,330,444.70/2,146,995,667.05 = 1,159,232,652.70/x
  3. Step 3: Cross multiply
    1,431,330,444.70x = 2,146,995,667.05 × 1,159,232,652.70
  4. Step 4: Simplify right side
    1,431,330,444.70x = 2,488,867,482,449,777,664
  5. Step 5: Solve for x
    x = 2,488,867,482,449,777,664/1,431,330,444.70
  6. Step 6: Final answer
    x = 1,738,848,979.05

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Double scale
Find fourth proportional to 1,431,330,445.70, 2,146,995,668.55 and 1,159,232,653.70
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.