Home / 5,280,303,979.65-7,920,455,969.48-2,659,095,250.05

Finding the Fourth Proportional to 5,280,303,979.65, 7,920,455,969.48 and 2,659,095,250.05

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Solution

The fourth proportional to 5,280,303,979.65, 7,920,455,969.48 and 2,659,095,250.05 is: 3,988,642,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,303,979.65 : 7,920,455,969.48 = 2,659,095,250.05 : x
  2. Step 2: Convert to fraction form
    5,280,303,979.65/7,920,455,969.48 = 2,659,095,250.05/x
  3. Step 3: Cross multiply
    5,280,303,979.65x = 7,920,455,969.48 × 2,659,095,250.05
  4. Step 4: Simplify right side
    5,280,303,979.65x = 21,061,246,846,661,144,576
  5. Step 5: Solve for x
    x = 21,061,246,846,661,144,576/5,280,303,979.65
  6. Step 6: Final answer
    x = 3,988,642,875.08

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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.