Home / 28,758,276,072.60-43,137,414,108.90-13,278,935,016.60

Finding the Fourth Proportional to 28,758,276,072.60, 43,137,414,108.90 and 13,278,935,016.60

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Solution

The fourth proportional to 28,758,276,072.60, 43,137,414,108.90 and 13,278,935,016.60 is: 19,918,402,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758,276,072.60 : 43,137,414,108.90 = 13,278,935,016.60 : x
  2. Step 2: Convert to fraction form
    28,758,276,072.60/43,137,414,108.90 = 13,278,935,016.60/x
  3. Step 3: Cross multiply
    28,758,276,072.60x = 43,137,414,108.90 × 13,278,935,016.60
  4. Step 4: Simplify right side
    28,758,276,072.60x = 572,818,918,736,247,128,064
  5. Step 5: Solve for x
    x = 572,818,918,736,247,128,064/28,758,276,072.60
  6. Step 6: Final answer
    x = 19,918,402,524.90

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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.