Home / 20,434,512,425.52-28,195,415,412.12-11,742,288,152.34

Finding the Fourth Proportional to 20,434,512,425.52, 28,195,415,412.12 and 11,742,288,152.34

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Solution

The fourth proportional to 20,434,512,425.52, 28,195,415,412.12 and 11,742,288,152.34 is: 16,201,937,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434,512,425.52 : 28,195,415,412.12 = 11,742,288,152.34 : x
  2. Step 2: Convert to fraction form
    20,434,512,425.52/28,195,415,412.12 = 11,742,288,152.34/x
  3. Step 3: Cross multiply
    20,434,512,425.52x = 28,195,415,412.12 × 11,742,288,152.34
  4. Step 4: Simplify right side
    20,434,512,425.52x = 331,078,692,344,041,308,160
  5. Step 5: Solve for x
    x = 331,078,692,344,041,308,160/20,434,512,425.52
  6. Step 6: Final answer
    x = 16,201,937,460.01

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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.