Home / 1,426,644,730.80-1,961,788,285.13-1,238,145,769.88

Finding the Fourth Proportional to 1,426,644,730.80, 1,961,788,285.13 and 1,238,145,769.88

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Solution

The fourth proportional to 1,426,644,730.80, 1,961,788,285.13 and 1,238,145,769.88 is: 1,702,582,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,644,730.80 : 1,961,788,285.13 = 1,238,145,769.88 : x
  2. Step 2: Convert to fraction form
    1,426,644,730.80/1,961,788,285.13 = 1,238,145,769.88/x
  3. Step 3: Cross multiply
    1,426,644,730.80x = 1,961,788,285.13 × 1,238,145,769.88
  4. Step 4: Simplify right side
    1,426,644,730.80x = 2,428,979,866,632,562,176
  5. Step 5: Solve for x
    x = 2,428,979,866,632,562,176/1,426,644,730.80
  6. Step 6: Final answer
    x = 1,702,582,159.52

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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.