Home / 890,464,673-1,335,788,535.42-308,197,967.96

Finding the Fourth Proportional to 890,464,673, 1,335,788,535.42 and 308,197,967.96

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Solution

The fourth proportional to 890,464,673, 1,335,788,535.42 and 308,197,967.96 is: 462,328,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,464,673 : 1,335,788,535.42 = 308,197,967.96 : x
  2. Step 2: Convert to fraction form
    890,464,673/1,335,788,535.42 = 308,197,967.96/x
  3. Step 3: Cross multiply
    890,464,673x = 1,335,788,535.42 × 308,197,967.96
  4. Step 4: Simplify right side
    890,464,673x = 411,687,312,240,708,480
  5. Step 5: Solve for x
    x = 411,687,312,240,708,480/890,464,673
  6. Step 6: Final answer
    x = 462,328,629.90

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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.