Home / 7,243,366,552.40-10,865,049,828.60-5,139,143,627.60

Finding the Fourth Proportional to 7,243,366,552.40, 10,865,049,828.60 and 5,139,143,627.60

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Solution

The fourth proportional to 7,243,366,552.40, 10,865,049,828.60 and 5,139,143,627.60 is: 7,708,715,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,366,552.40 : 10,865,049,828.60 = 5,139,143,627.60 : x
  2. Step 2: Convert to fraction form
    7,243,366,552.40/10,865,049,828.60 = 5,139,143,627.60/x
  3. Step 3: Cross multiply
    7,243,366,552.40x = 10,865,049,828.60 × 5,139,143,627.60
  4. Step 4: Simplify right side
    7,243,366,552.40x = 55,837,051,590,206,169,088
  5. Step 5: Solve for x
    x = 55,837,051,590,206,169,088/7,243,366,552.40
  6. Step 6: Final answer
    x = 7,708,715,441.40

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Double scale
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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.