Home / 1,528,194,815.14-2,108,896,167.63-859,142,842.31

Finding the Fourth Proportional to 1,528,194,815.14, 2,108,896,167.63 and 859,142,842.31

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Solution

The fourth proportional to 1,528,194,815.14, 2,108,896,167.63 and 859,142,842.31 is: 1,185,609,995.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,194,815.14 : 2,108,896,167.63 = 859,142,842.31 : x
  2. Step 2: Convert to fraction form
    1,528,194,815.14/2,108,896,167.63 = 859,142,842.31/x
  3. Step 3: Cross multiply
    1,528,194,815.14x = 2,108,896,167.63 × 859,142,842.31
  4. Step 4: Simplify right side
    1,528,194,815.14x = 1,811,843,047,579,464,192
  5. Step 5: Solve for x
    x = 1,811,843,047,579,464,192/1,528,194,815.14
  6. Step 6: Final answer
    x = 1,185,609,995.29

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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.