Home / 1,324,798,576.32-1,828,168,807.69-721,956,398.11

Finding the Fourth Proportional to 1,324,798,576.32, 1,828,168,807.69 and 721,956,398.11

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Solution

The fourth proportional to 1,324,798,576.32, 1,828,168,807.69 and 721,956,398.11 is: 996,270,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,798,576.32 : 1,828,168,807.69 = 721,956,398.11 : x
  2. Step 2: Convert to fraction form
    1,324,798,576.32/1,828,168,807.69 = 721,956,398.11/x
  3. Step 3: Cross multiply
    1,324,798,576.32x = 1,828,168,807.69 × 721,956,398.11
  4. Step 4: Simplify right side
    1,324,798,576.32x = 1,319,858,167,536,925,696
  5. Step 5: Solve for x
    x = 1,319,858,167,536,925,696/1,324,798,576.32
  6. Step 6: Final answer
    x = 996,270,822.70

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1.5x scale

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.