Home / 1,299,213,691.56-1,948,042,277.66-413,516,476.76

Finding the Fourth Proportional to 1,299,213,691.56, 1,948,042,277.66 and 413,516,476.76

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Solution

The fourth proportional to 1,299,213,691.56, 1,948,042,277.66 and 413,516,476.76 is: 620,027,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,213,691.56 : 1,948,042,277.66 = 413,516,476.76 : x
  2. Step 2: Convert to fraction form
    1,299,213,691.56/1,948,042,277.66 = 413,516,476.76/x
  3. Step 3: Cross multiply
    1,299,213,691.56x = 1,948,042,277.66 × 413,516,476.76
  4. Step 4: Simplify right side
    1,299,213,691.56x = 805,547,579,237,488,896
  5. Step 5: Solve for x
    x = 805,547,579,237,488,896/1,299,213,691.56
  6. Step 6: Final answer
    x = 620,027,009.01

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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.