Home / 1,685,719,181.60-2,528,578,772.40-716,244,826.40

Finding the Fourth Proportional to 1,685,719,181.60, 2,528,578,772.40 and 716,244,826.40

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Solution

The fourth proportional to 1,685,719,181.60, 2,528,578,772.40 and 716,244,826.40 is: 1,074,367,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,719,181.60 : 2,528,578,772.40 = 716,244,826.40 : x
  2. Step 2: Convert to fraction form
    1,685,719,181.60/2,528,578,772.40 = 716,244,826.40/x
  3. Step 3: Cross multiply
    1,685,719,181.60x = 2,528,578,772.40 × 716,244,826.40
  4. Step 4: Simplify right side
    1,685,719,181.60x = 1,811,081,463,876,363,008
  5. Step 5: Solve for x
    x = 1,811,081,463,876,363,008/1,685,719,181.60
  6. Step 6: Final answer
    x = 1,074,367,239.60

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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.