Home / 457,086,508.96-630,818,284.14-258,883,262.56

Finding the Fourth Proportional to 457,086,508.96, 630,818,284.14 and 258,883,262.56

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Solution

The fourth proportional to 457,086,508.96, 630,818,284.14 and 258,883,262.56 is: 357,280,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,086,508.96 : 630,818,284.14 = 258,883,262.56 : x
  2. Step 2: Convert to fraction form
    457,086,508.96/630,818,284.14 = 258,883,262.56/x
  3. Step 3: Cross multiply
    457,086,508.96x = 630,818,284.14 × 258,883,262.56
  4. Step 4: Simplify right side
    457,086,508.96x = 163,308,295,480,664,288
  5. Step 5: Solve for x
    x = 163,308,295,480,664,288/457,086,508.96
  6. Step 6: Final answer
    x = 357,280,935.40

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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.