Home / 21,516,192,593.60-32,274,288,890.40-13,208,140,011.20

Finding the Fourth Proportional to 21,516,192,593.60, 32,274,288,890.40 and 13,208,140,011.20

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Solution

The fourth proportional to 21,516,192,593.60, 32,274,288,890.40 and 13,208,140,011.20 is: 19,812,210,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,516,192,593.60 : 32,274,288,890.40 = 13,208,140,011.20 : x
  2. Step 2: Convert to fraction form
    21,516,192,593.60/32,274,288,890.40 = 13,208,140,011.20/x
  3. Step 3: Cross multiply
    21,516,192,593.60x = 32,274,288,890.40 × 13,208,140,011.20
  4. Step 4: Simplify right side
    21,516,192,593.60x = 426,283,326,426,319,945,728
  5. Step 5: Solve for x
    x = 426,283,326,426,319,945,728/21,516,192,593.60
  6. Step 6: Final answer
    x = 19,812,210,016.80

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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.