Home / 21,164,484,348.20-31,746,812,111.76-8,573,580,900.56

Finding the Fourth Proportional to 21,164,484,348.20, 31,746,812,111.76 and 8,573,580,900.56

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Solution

The fourth proportional to 21,164,484,348.20, 31,746,812,111.76 and 8,573,580,900.56 is: 12,860,406,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,164,484,348.20 : 31,746,812,111.76 = 8,573,580,900.56 : x
  2. Step 2: Convert to fraction form
    21,164,484,348.20/31,746,812,111.76 = 8,573,580,900.56/x
  3. Step 3: Cross multiply
    21,164,484,348.20x = 31,746,812,111.76 × 8,573,580,900.56
  4. Step 4: Simplify right side
    21,164,484,348.20x = 272,183,861,975,052,419,072
  5. Step 5: Solve for x
    x = 272,183,861,975,052,419,072/21,164,484,348.20
  6. Step 6: Final answer
    x = 12,860,406,022.52

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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.