Home / 1,299,225,231.36-1,948,059,541.92-413,528,022.72

Finding the Fourth Proportional to 1,299,225,231.36, 1,948,059,541.92 and 413,528,022.72

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Solution

The fourth proportional to 1,299,225,231.36, 1,948,059,541.92 and 413,528,022.72 is: 620,044,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,225,231.36 : 1,948,059,541.92 = 413,528,022.72 : x
  2. Step 2: Convert to fraction form
    1,299,225,231.36/1,948,059,541.92 = 413,528,022.72/x
  3. Step 3: Cross multiply
    1,299,225,231.36x = 1,948,059,541.92 × 413,528,022.72
  4. Step 4: Simplify right side
    1,299,225,231.36x = 805,577,210,511,006,592
  5. Step 5: Solve for x
    x = 805,577,210,511,006,592/1,299,225,231.36
  6. Step 6: Final answer
    x = 620,044,308.77

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1.5x scale

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.