Home / 1,685,719,227.10-2,528,578,840.65-716,244,871.90

Finding the Fourth Proportional to 1,685,719,227.10, 2,528,578,840.65 and 716,244,871.90

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Solution

The fourth proportional to 1,685,719,227.10, 2,528,578,840.65 and 716,244,871.90 is: 1,074,367,307.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,719,227.10 : 2,528,578,840.65 = 716,244,871.90 : x
  2. Step 2: Convert to fraction form
    1,685,719,227.10/2,528,578,840.65 = 716,244,871.90/x
  3. Step 3: Cross multiply
    1,685,719,227.10x = 2,528,578,840.65 × 716,244,871.90
  4. Step 4: Simplify right side
    1,685,719,227.10x = 1,811,081,627,810,409,728
  5. Step 5: Solve for x
    x = 1,811,081,627,810,409,728/1,685,719,227.10
  6. Step 6: Final answer
    x = 1,074,367,307.85

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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.