Home / 38,631,296,421.20-57,946,944,631.80-13,788,768,011.60

Finding the Fourth Proportional to 38,631,296,421.20, 57,946,944,631.80 and 13,788,768,011.60

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Solution

The fourth proportional to 38,631,296,421.20, 57,946,944,631.80 and 13,788,768,011.60 is: 20,683,152,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,631,296,421.20 : 57,946,944,631.80 = 13,788,768,011.60 : x
  2. Step 2: Convert to fraction form
    38,631,296,421.20/57,946,944,631.80 = 13,788,768,011.60/x
  3. Step 3: Cross multiply
    38,631,296,421.20x = 57,946,944,631.80 × 13,788,768,011.60
  4. Step 4: Simplify right side
    38,631,296,421.20x = 799,016,976,508,920,266,752
  5. Step 5: Solve for x
    x = 799,016,976,508,920,266,752/38,631,296,421.20
  6. Step 6: Final answer
    x = 20,683,152,017.40

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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.