Home / 830,998,114,613.12-1,247,303,218,630.10-401,037,780,638.72

Finding the Fourth Proportional to 830,998,114,613.12, 1,247,303,218,630.10 and 401,037,780,638.72

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Solution

The fourth proportional to 830,998,114,613.12, 1,247,303,218,630.10 and 401,037,780,638.72 is: 601,945,667,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,998,114,613.12 : 1,247,303,218,630.10 = 401,037,780,638.72 : x
  2. Step 2: Convert to fraction form
    830,998,114,613.12/1,247,303,218,630.10 = 401,037,780,638.72/x
  3. Step 3: Cross multiply
    830,998,114,613.12x = 1,247,303,218,630.10 × 401,037,780,638.72
  4. Step 4: Simplify right side
    830,998,114,613.12x = 500,215,714,582,947,470,245,888
  5. Step 5: Solve for x
    x = 500,215,714,582,947,470,245,888/830,998,114,613.12
  6. Step 6: Final answer
    x = 601,945,667,248.39

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Double scale
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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.