Home / 1,423,577,951.56-2,133,860,262.54-647,768,419.30

Finding the Fourth Proportional to 1,423,577,951.56, 2,133,860,262.54 and 647,768,419.30

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Solution

The fourth proportional to 1,423,577,951.56, 2,133,860,262.54 and 647,768,419.30 is: 970,967,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,577,951.56 : 2,133,860,262.54 = 647,768,419.30 : x
  2. Step 2: Convert to fraction form
    1,423,577,951.56/2,133,860,262.54 = 647,768,419.30/x
  3. Step 3: Cross multiply
    1,423,577,951.56x = 2,133,860,262.54 × 647,768,419.30
  4. Step 4: Simplify right side
    1,423,577,951.56x = 1,382,247,289,272,618,752
  5. Step 5: Solve for x
    x = 1,382,247,289,272,618,752/1,423,577,951.56
  6. Step 6: Final answer
    x = 970,967,053.65

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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.