Home / 1,458,245,084.78-2,187,183,122.74-462,275,714.38

Finding the Fourth Proportional to 1,458,245,084.78, 2,187,183,122.74 and 462,275,714.38

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Solution

The fourth proportional to 1,458,245,084.78, 2,187,183,122.74 and 462,275,714.38 is: 693,355,082.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,245,084.78 : 2,187,183,122.74 = 462,275,714.38 : x
  2. Step 2: Convert to fraction form
    1,458,245,084.78/2,187,183,122.74 = 462,275,714.38/x
  3. Step 3: Cross multiply
    1,458,245,084.78x = 2,187,183,122.74 × 462,275,714.38
  4. Step 4: Simplify right side
    1,458,245,084.78x = 1,011,081,640,547,847,808
  5. Step 5: Solve for x
    x = 1,011,081,640,547,847,808/1,458,245,084.78
  6. Step 6: Final answer
    x = 693,355,082.15

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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.