Home / 22,631,962,581.40-31,230,701,124.14-12,470,121,783.58

Finding the Fourth Proportional to 22,631,962,581.40, 31,230,701,124.14 and 12,470,121,783.58

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Solution

The fourth proportional to 22,631,962,581.40, 31,230,701,124.14 and 12,470,121,783.58 is: 17,207,992,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631,962,581.40 : 31,230,701,124.14 = 12,470,121,783.58 : x
  2. Step 2: Convert to fraction form
    22,631,962,581.40/31,230,701,124.14 = 12,470,121,783.58/x
  3. Step 3: Cross multiply
    22,631,962,581.40x = 31,230,701,124.14 × 12,470,121,783.58
  4. Step 4: Simplify right side
    22,631,962,581.40x = 389,450,646,404,614,586,368
  5. Step 5: Solve for x
    x = 389,450,646,404,614,586,368/22,631,962,581.40
  6. Step 6: Final answer
    x = 17,207,992,678.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.