Home / 20,618,690,651.16-30,915,378,561.14-8,012,830,254.63

Finding the Fourth Proportional to 20,618,690,651.16, 30,915,378,561.14 and 8,012,830,254.63

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Solution

The fourth proportional to 20,618,690,651.16, 30,915,378,561.14 and 8,012,830,254.63 is: 12,014,326,460.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,690,651.16 : 30,915,378,561.14 = 8,012,830,254.63 : x
  2. Step 2: Convert to fraction form
    20,618,690,651.16/30,915,378,561.14 = 8,012,830,254.63/x
  3. Step 3: Cross multiply
    20,618,690,651.16x = 30,915,378,561.14 × 8,012,830,254.63
  4. Step 4: Simplify right side
    20,618,690,651.16x = 247,719,680,668,042,264,576
  5. Step 5: Solve for x
    x = 247,719,680,668,042,264,576/20,618,690,651.16
  6. Step 6: Final answer
    x = 12,014,326,460.35

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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.