Home / 1,668,790,211.73-2,501,281,142.96-672,173,360.79

Finding the Fourth Proportional to 1,668,790,211.73, 2,501,281,142.96 and 672,173,360.79

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Solution

The fourth proportional to 1,668,790,211.73, 2,501,281,142.96 and 672,173,360.79 is: 1,007,493,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,790,211.73 : 2,501,281,142.96 = 672,173,360.79 : x
  2. Step 2: Convert to fraction form
    1,668,790,211.73/2,501,281,142.96 = 672,173,360.79/x
  3. Step 3: Cross multiply
    1,668,790,211.73x = 2,501,281,142.96 × 672,173,360.79
  4. Step 4: Simplify right side
    1,668,790,211.73x = 1,681,294,552,140,714,752
  5. Step 5: Solve for x
    x = 1,681,294,552,140,714,752/1,668,790,211.73
  6. Step 6: Final answer
    x = 1,007,493,057.14

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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.