Home / 20,160,859,643.55-30,241,289,465.33-13,957,029,985.95

Finding the Fourth Proportional to 20,160,859,643.55, 30,241,289,465.33 and 13,957,029,985.95

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Solution

The fourth proportional to 20,160,859,643.55, 30,241,289,465.33 and 13,957,029,985.95 is: 20,935,544,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,160,859,643.55 : 30,241,289,465.33 = 13,957,029,985.95 : x
  2. Step 2: Convert to fraction form
    20,160,859,643.55/30,241,289,465.33 = 13,957,029,985.95/x
  3. Step 3: Cross multiply
    20,160,859,643.55x = 30,241,289,465.33 × 13,957,029,985.95
  4. Step 4: Simplify right side
    20,160,859,643.55x = 422,078,583,881,334,915,072
  5. Step 5: Solve for x
    x = 422,078,583,881,334,915,072/20,160,859,643.55
  6. Step 6: Final answer
    x = 20,935,544,978.93

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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.