Home / 1,621,795,747.63-2,238,165,031.26-907,288,677.42

Finding the Fourth Proportional to 1,621,795,747.63, 2,238,165,031.26 and 907,288,677.42

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Solution

The fourth proportional to 1,621,795,747.63, 2,238,165,031.26 and 907,288,677.42 is: 1,252,106,989.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,795,747.63 : 2,238,165,031.26 = 907,288,677.42 : x
  2. Step 2: Convert to fraction form
    1,621,795,747.63/2,238,165,031.26 = 907,288,677.42/x
  3. Step 3: Cross multiply
    1,621,795,747.63x = 2,238,165,031.26 × 907,288,677.42
  4. Step 4: Simplify right side
    1,621,795,747.63x = 2,030,661,791,059,578,368
  5. Step 5: Solve for x
    x = 2,030,661,791,059,578,368/1,621,795,747.63
  6. Step 6: Final answer
    x = 1,252,106,989.44

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Double scale
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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.