Home / 15,342,331,671.46-21,018,644,852.18-14,768,706,531.12

Finding the Fourth Proportional to 15,342,331,671.46, 21,018,644,852.18 and 14,768,706,531.12

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Solution

The fourth proportional to 15,342,331,671.46, 21,018,644,852.18 and 14,768,706,531.12 is: 20,232,791,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,331,671.46 : 21,018,644,852.18 = 14,768,706,531.12 : x
  2. Step 2: Convert to fraction form
    15,342,331,671.46/21,018,644,852.18 = 14,768,706,531.12/x
  3. Step 3: Cross multiply
    15,342,331,671.46x = 21,018,644,852.18 × 14,768,706,531.12
  4. Step 4: Simplify right side
    15,342,331,671.46x = 310,418,197,503,682,543,616
  5. Step 5: Solve for x
    x = 310,418,197,503,682,543,616/15,342,331,671.46
  6. Step 6: Final answer
    x = 20,232,791,478.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.