Home / 21,284,046,797.76-29,358,144,865.68-13,651,002,440.16

Finding the Fourth Proportional to 21,284,046,797.76, 29,358,144,865.68 and 13,651,002,440.16

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Solution

The fourth proportional to 21,284,046,797.76, 29,358,144,865.68 and 13,651,002,440.16 is: 18,829,506,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284,046,797.76 : 29,358,144,865.68 = 13,651,002,440.16 : x
  2. Step 2: Convert to fraction form
    21,284,046,797.76/29,358,144,865.68 = 13,651,002,440.16/x
  3. Step 3: Cross multiply
    21,284,046,797.76x = 29,358,144,865.68 × 13,651,002,440.16
  4. Step 4: Simplify right side
    21,284,046,797.76x = 400,768,107,199,968,444,416
  5. Step 5: Solve for x
    x = 400,768,107,199,968,444,416/21,284,046,797.76
  6. Step 6: Final answer
    x = 18,829,506,954.58

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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.