Home / 824,210,031.40-1,236,315,047.10-800,322,159.40

Finding the Fourth Proportional to 824,210,031.40, 1,236,315,047.10 and 800,322,159.40

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Solution

The fourth proportional to 824,210,031.40, 1,236,315,047.10 and 800,322,159.40 is: 1,200,483,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,210,031.40 : 1,236,315,047.10 = 800,322,159.40 : x
  2. Step 2: Convert to fraction form
    824,210,031.40/1,236,315,047.10 = 800,322,159.40/x
  3. Step 3: Cross multiply
    824,210,031.40x = 1,236,315,047.10 × 800,322,159.40
  4. Step 4: Simplify right side
    824,210,031.40x = 989,450,328,193,784,576
  5. Step 5: Solve for x
    x = 989,450,328,193,784,576/824,210,031.40
  6. Step 6: Final answer
    x = 1,200,483,239.10

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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.