Home / 1,138,689,290.56-1,708,108,878.96-298,352,610.40

Finding the Fourth Proportional to 1,138,689,290.56, 1,708,108,878.96 and 298,352,610.40

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Solution

The fourth proportional to 1,138,689,290.56, 1,708,108,878.96 and 298,352,610.40 is: 447,548,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,689,290.56 : 1,708,108,878.96 = 298,352,610.40 : x
  2. Step 2: Convert to fraction form
    1,138,689,290.56/1,708,108,878.96 = 298,352,610.40/x
  3. Step 3: Cross multiply
    1,138,689,290.56x = 1,708,108,878.96 × 298,352,610.40
  4. Step 4: Simplify right side
    1,138,689,290.56x = 509,618,742,885,133,632
  5. Step 5: Solve for x
    x = 509,618,742,885,133,632/1,138,689,290.56
  6. Step 6: Final answer
    x = 447,548,551.75

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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.