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Finding the Fourth Proportional to 1,379,098,768.77, 1,903,196,492.73 and 752,607,550.08

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Solution

The fourth proportional to 1,379,098,768.77, 1,903,196,492.73 and 752,607,550.08 is: 1,038,620,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,098,768.77 : 1,903,196,492.73 = 752,607,550.08 : x
  2. Step 2: Convert to fraction form
    1,379,098,768.77/1,903,196,492.73 = 752,607,550.08/x
  3. Step 3: Cross multiply
    1,379,098,768.77x = 1,903,196,492.73 × 752,607,550.08
  4. Step 4: Simplify right side
    1,379,098,768.77x = 1,432,360,049,714,373,888
  5. Step 5: Solve for x
    x = 1,432,360,049,714,373,888/1,379,098,768.77
  6. Step 6: Final answer
    x = 1,038,620,352.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.