Home / 21,193,488,005.60-31,721,357,254.80-21,193,488,005.60

Finding the Fourth Proportional to 21,193,488,005.60, 31,721,357,254.80 and 21,193,488,005.60

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Solution

The fourth proportional to 21,193,488,005.60, 31,721,357,254.80 and 21,193,488,005.60 is: 31,721,357,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193,488,005.60 : 31,721,357,254.80 = 21,193,488,005.60 : x
  2. Step 2: Convert to fraction form
    21,193,488,005.60/31,721,357,254.80 = 21,193,488,005.60/x
  3. Step 3: Cross multiply
    21,193,488,005.60x = 31,721,357,254.80 × 21,193,488,005.60
  4. Step 4: Simplify right side
    21,193,488,005.60x = 672,286,204,500,956,282,880
  5. Step 5: Solve for x
    x = 672,286,204,500,956,282,880/21,193,488,005.60
  6. Step 6: Final answer
    x = 31,721,357,254.80

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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.