Home / 20,785,400,595.20-31,178,100,892.80-16,867,192,390.40

Finding the Fourth Proportional to 20,785,400,595.20, 31,178,100,892.80 and 16,867,192,390.40

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Solution

The fourth proportional to 20,785,400,595.20, 31,178,100,892.80 and 16,867,192,390.40 is: 25,300,788,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785,400,595.20 : 31,178,100,892.80 = 16,867,192,390.40 : x
  2. Step 2: Convert to fraction form
    20,785,400,595.20/31,178,100,892.80 = 16,867,192,390.40/x
  3. Step 3: Cross multiply
    20,785,400,595.20x = 31,178,100,892.80 × 16,867,192,390.40
  4. Step 4: Simplify right side
    20,785,400,595.20x = 525,887,026,126,159,609,856
  5. Step 5: Solve for x
    x = 525,887,026,126,159,609,856/20,785,400,595.20
  6. Step 6: Final answer
    x = 25,300,788,585.60

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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.