Home / 30,342,945,353.80-45,514,418,030.70-12,892,406,960.20

Finding the Fourth Proportional to 30,342,945,353.80, 45,514,418,030.70 and 12,892,406,960.20

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Solution

The fourth proportional to 30,342,945,353.80, 45,514,418,030.70 and 12,892,406,960.20 is: 19,338,610,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342,945,353.80 : 45,514,418,030.70 = 12,892,406,960.20 : x
  2. Step 2: Convert to fraction form
    30,342,945,353.80/45,514,418,030.70 = 12,892,406,960.20/x
  3. Step 3: Cross multiply
    30,342,945,353.80x = 45,514,418,030.70 × 12,892,406,960.20
  4. Step 4: Simplify right side
    30,342,945,353.80x = 586,790,399,808,449,019,904
  5. Step 5: Solve for x
    x = 586,790,399,808,449,019,904/30,342,945,353.80
  6. Step 6: Final answer
    x = 19,338,610,440.30

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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.