Home / 7,013,151,981.12-9,678,030,113.04-3,798,035,856.24

Finding the Fourth Proportional to 7,013,151,981.12, 9,678,030,113.04 and 3,798,035,856.24

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Solution

The fourth proportional to 7,013,151,981.12, 9,678,030,113.04 and 3,798,035,856.24 is: 5,241,224,699.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,151,981.12 : 9,678,030,113.04 = 3,798,035,856.24 : x
  2. Step 2: Convert to fraction form
    7,013,151,981.12/9,678,030,113.04 = 3,798,035,856.24/x
  3. Step 3: Cross multiply
    7,013,151,981.12x = 9,678,030,113.04 × 3,798,035,856.24
  4. Step 4: Simplify right side
    7,013,151,981.12x = 36,757,505,387,096,383,488
  5. Step 5: Solve for x
    x = 36,757,505,387,096,383,488/7,013,151,981.12
  6. Step 6: Final answer
    x = 5,241,224,699.83

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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.