Home / 30,342,945,708.30-45,514,418,562.45-12,892,407,314.70

Finding the Fourth Proportional to 30,342,945,708.30, 45,514,418,562.45 and 12,892,407,314.70

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Solution

The fourth proportional to 30,342,945,708.30, 45,514,418,562.45 and 12,892,407,314.70 is: 19,338,610,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342,945,708.30 : 45,514,418,562.45 = 12,892,407,314.70 : x
  2. Step 2: Convert to fraction form
    30,342,945,708.30/45,514,418,562.45 = 12,892,407,314.70/x
  3. Step 3: Cross multiply
    30,342,945,708.30x = 45,514,418,562.45 × 12,892,407,314.70
  4. Step 4: Simplify right side
    30,342,945,708.30x = 586,790,422,798,847,836,160
  5. Step 5: Solve for x
    x = 586,790,422,798,847,836,160/30,342,945,708.30
  6. Step 6: Final answer
    x = 19,338,610,972.05

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1.5x scale

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.