Home / 1,299,213,690.56-1,948,042,276.16-413,516,475.76

Finding the Fourth Proportional to 1,299,213,690.56, 1,948,042,276.16 and 413,516,475.76

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Solution

The fourth proportional to 1,299,213,690.56, 1,948,042,276.16 and 413,516,475.76 is: 620,027,007.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,213,690.56 : 1,948,042,276.16 = 413,516,475.76 : x
  2. Step 2: Convert to fraction form
    1,299,213,690.56/1,948,042,276.16 = 413,516,475.76/x
  3. Step 3: Cross multiply
    1,299,213,690.56x = 1,948,042,276.16 × 413,516,475.76
  4. Step 4: Simplify right side
    1,299,213,690.56x = 805,547,576,669,171,840
  5. Step 5: Solve for x
    x = 805,547,576,669,171,840/1,299,213,690.56
  6. Step 6: Final answer
    x = 620,027,007.51

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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.