Home / 1,203,800,811,159.10-1,661,245,390,560.90-662,477,532,903.80

Finding the Fourth Proportional to 1,203,800,811,159.10, 1,661,245,390,560.90 and 662,477,532,903.80

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Solution

The fourth proportional to 1,203,800,811,159.10, 1,661,245,390,560.90 and 662,477,532,903.80 is: 914,219,144,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,800,811,159.10 : 1,661,245,390,560.90 = 662,477,532,903.80 : x
  2. Step 2: Convert to fraction form
    1,203,800,811,159.10/1,661,245,390,560.90 = 662,477,532,903.80/x
  3. Step 3: Cross multiply
    1,203,800,811,159.10x = 1,661,245,390,560.90 × 662,477,532,903.80
  4. Step 4: Simplify right side
    1,203,800,811,159.10x = 1,100,537,747,886,594,672,558,080
  5. Step 5: Solve for x
    x = 1,100,537,747,886,594,672,558,080/1,203,800,811,159.10
  6. Step 6: Final answer
    x = 914,219,144,633.18

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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.