Home / 1,390,310,176.36-2,087,287,879.26-932,297,787.88

Finding the Fourth Proportional to 1,390,310,176.36, 2,087,287,879.26 and 932,297,787.88

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Solution

The fourth proportional to 1,390,310,176.36, 2,087,287,879.26 and 932,297,787.88 is: 1,399,668,869.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,310,176.36 : 2,087,287,879.26 = 932,297,787.88 : x
  2. Step 2: Convert to fraction form
    1,390,310,176.36/2,087,287,879.26 = 932,297,787.88/x
  3. Step 3: Cross multiply
    1,390,310,176.36x = 2,087,287,879.26 × 932,297,787.88
  4. Step 4: Simplify right side
    1,390,310,176.36x = 1,945,973,872,502,834,432
  5. Step 5: Solve for x
    x = 1,945,973,872,502,834,432/1,390,310,176.36
  6. Step 6: Final answer
    x = 1,399,668,869.29

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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.