Home / 1,186,080,981.21-1,777,867,079.09-438,616,448.01

Finding the Fourth Proportional to 1,186,080,981.21, 1,777,867,079.09 and 438,616,448.01

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Solution

The fourth proportional to 1,186,080,981.21, 1,777,867,079.09 and 438,616,448.01 is: 657,460,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,080,981.21 : 1,777,867,079.09 = 438,616,448.01 : x
  2. Step 2: Convert to fraction form
    1,186,080,981.21/1,777,867,079.09 = 438,616,448.01/x
  3. Step 3: Cross multiply
    1,186,080,981.21x = 1,777,867,079.09 × 438,616,448.01
  4. Step 4: Simplify right side
    1,186,080,981.21x = 779,801,743,262,176,512
  5. Step 5: Solve for x
    x = 779,801,743,262,176,512/1,186,080,981.21
  6. Step 6: Final answer
    x = 657,460,793.67

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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.