Home / 15,200,702,345.45-20,976,968,782.17-8,426,503,759.14

Finding the Fourth Proportional to 15,200,702,345.45, 20,976,968,782.17 and 8,426,503,759.14

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Solution

The fourth proportional to 15,200,702,345.45, 20,976,968,782.17 and 8,426,503,759.14 is: 11,628,574,935.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200,702,345.45 : 20,976,968,782.17 = 8,426,503,759.14 : x
  2. Step 2: Convert to fraction form
    15,200,702,345.45/20,976,968,782.17 = 8,426,503,759.14/x
  3. Step 3: Cross multiply
    15,200,702,345.45x = 20,976,968,782.17 × 8,426,503,759.14
  4. Step 4: Simplify right side
    15,200,702,345.45x = 176,762,506,298,317,930,496
  5. Step 5: Solve for x
    x = 176,762,506,298,317,930,496/15,200,702,345.45
  6. Step 6: Final answer
    x = 11,628,574,935.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.