Home / 1,138,688,614.92-1,708,107,867.83-298,351,935.24

Finding the Fourth Proportional to 1,138,688,614.92, 1,708,107,867.83 and 298,351,935.24

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Solution

The fourth proportional to 1,138,688,614.92, 1,708,107,867.83 and 298,351,935.24 is: 447,547,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,688,614.92 : 1,708,107,867.83 = 298,351,935.24 : x
  2. Step 2: Convert to fraction form
    1,138,688,614.92/1,708,107,867.83 = 298,351,935.24/x
  3. Step 3: Cross multiply
    1,138,688,614.92x = 1,708,107,867.83 × 298,351,935.24
  4. Step 4: Simplify right side
    1,138,688,614.92x = 509,617,287,961,630,016
  5. Step 5: Solve for x
    x = 509,617,287,961,630,016/1,138,688,614.92
  6. Step 6: Final answer
    x = 447,547,539.59

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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.