Home / 1,685,719,183.35-2,528,578,775.03-716,244,828.15

Finding the Fourth Proportional to 1,685,719,183.35, 2,528,578,775.03 and 716,244,828.15

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Solution

The fourth proportional to 1,685,719,183.35, 2,528,578,775.03 and 716,244,828.15 is: 1,074,367,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,719,183.35 : 2,528,578,775.03 = 716,244,828.15 : x
  2. Step 2: Convert to fraction form
    1,685,719,183.35/2,528,578,775.03 = 716,244,828.15/x
  3. Step 3: Cross multiply
    1,685,719,183.35x = 2,528,578,775.03 × 716,244,828.15
  4. Step 4: Simplify right side
    1,685,719,183.35x = 1,811,081,470,181,518,592
  5. Step 5: Solve for x
    x = 1,811,081,470,181,518,592/1,685,719,183.35
  6. Step 6: Final answer
    x = 1,074,367,242.23

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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.