Home / 15,078,359,322.26-20,810,398,044.93-11,455,421,259.42

Finding the Fourth Proportional to 15,078,359,322.26, 20,810,398,044.93 and 11,455,421,259.42

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Solution

The fourth proportional to 15,078,359,322.26, 20,810,398,044.93 and 11,455,421,259.42 is: 15,810,199,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078,359,322.26 : 20,810,398,044.93 = 11,455,421,259.42 : x
  2. Step 2: Convert to fraction form
    15,078,359,322.26/20,810,398,044.93 = 11,455,421,259.42/x
  3. Step 3: Cross multiply
    15,078,359,322.26x = 20,810,398,044.93 × 11,455,421,259.42
  4. Step 4: Simplify right side
    15,078,359,322.26x = 238,391,876,180,883,537,920
  5. Step 5: Solve for x
    x = 238,391,876,180,883,537,920/15,078,359,322.26
  6. Step 6: Final answer
    x = 15,810,199,975.07

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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.