Home / 21,065,256,920.96-31,593,050,134.48-12,559,046,597.19

Finding the Fourth Proportional to 21,065,256,920.96, 31,593,050,134.48 and 12,559,046,597.19

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Solution

The fourth proportional to 21,065,256,920.96, 31,593,050,134.48 and 12,559,046,597.19 is: 18,835,687,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065,256,920.96 : 31,593,050,134.48 = 12,559,046,597.19 : x
  2. Step 2: Convert to fraction form
    21,065,256,920.96/31,593,050,134.48 = 12,559,046,597.19/x
  3. Step 3: Cross multiply
    21,065,256,920.96x = 31,593,050,134.48 × 12,559,046,597.19
  4. Step 4: Simplify right side
    21,065,256,920.96x = 396,778,588,786,319,228,928
  5. Step 5: Solve for x
    x = 396,778,588,786,319,228,928/21,065,256,920.96
  6. Step 6: Final answer
    x = 18,835,687,135.23

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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.