Home / 1,324,798,578.32-1,828,168,810.46-721,956,400.11

Finding the Fourth Proportional to 1,324,798,578.32, 1,828,168,810.46 and 721,956,400.11

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Solution

The fourth proportional to 1,324,798,578.32, 1,828,168,810.46 and 721,956,400.11 is: 996,270,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,798,578.32 : 1,828,168,810.46 = 721,956,400.11 : x
  2. Step 2: Convert to fraction form
    1,324,798,578.32/1,828,168,810.46 = 721,956,400.11/x
  3. Step 3: Cross multiply
    1,324,798,578.32x = 1,828,168,810.46 × 721,956,400.11
  4. Step 4: Simplify right side
    1,324,798,578.32x = 1,319,858,173,189,472,768
  5. Step 5: Solve for x
    x = 1,319,858,173,189,472,768/1,324,798,578.32
  6. Step 6: Final answer
    x = 996,270,825.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.