Home / 1,270,263,832.50-1,905,184,411.58-384,738,654.68

Finding the Fourth Proportional to 1,270,263,832.50, 1,905,184,411.58 and 384,738,654.68

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Solution

The fourth proportional to 1,270,263,832.50, 1,905,184,411.58 and 384,738,654.68 is: 577,043,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,263,832.50 : 1,905,184,411.58 = 384,738,654.68 : x
  2. Step 2: Convert to fraction form
    1,270,263,832.50/1,905,184,411.58 = 384,738,654.68/x
  3. Step 3: Cross multiply
    1,270,263,832.50x = 1,905,184,411.58 × 384,738,654.68
  4. Step 4: Simplify right side
    1,270,263,832.50x = 732,998,087,428,596,608
  5. Step 5: Solve for x
    x = 732,998,087,428,596,608/1,270,263,832.50
  6. Step 6: Final answer
    x = 577,043,972.03

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Double scale
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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.