Home / 353,887,262.67-488,573,911.63-314,620,581.86

Finding the Fourth Proportional to 353,887,262.67, 488,573,911.63 and 314,620,581.86

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Solution

The fourth proportional to 353,887,262.67, 488,573,911.63 and 314,620,581.86 is: 434,362,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,887,262.67 : 488,573,911.63 = 314,620,581.86 : x
  2. Step 2: Convert to fraction form
    353,887,262.67/488,573,911.63 = 314,620,581.86/x
  3. Step 3: Cross multiply
    353,887,262.67x = 488,573,911.63 × 314,620,581.86
  4. Step 4: Simplify right side
    353,887,262.67x = 153,715,408,358,646,816
  5. Step 5: Solve for x
    x = 153,715,408,358,646,816/353,887,262.67
  6. Step 6: Final answer
    x = 434,362,647.58

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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.