Home / 1,035,485,406.81-1,553,233,917.11-345,390,766.29

Finding the Fourth Proportional to 1,035,485,406.81, 1,553,233,917.11 and 345,390,766.29

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Solution

The fourth proportional to 1,035,485,406.81, 1,553,233,917.11 and 345,390,766.29 is: 518,088,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,485,406.81 : 1,553,233,917.11 = 345,390,766.29 : x
  2. Step 2: Convert to fraction form
    1,035,485,406.81/1,553,233,917.11 = 345,390,766.29/x
  3. Step 3: Cross multiply
    1,035,485,406.81x = 1,553,233,917.11 × 345,390,766.29
  4. Step 4: Simplify right side
    1,035,485,406.81x = 536,472,652,856,514,304
  5. Step 5: Solve for x
    x = 536,472,652,856,514,304/1,035,485,406.81
  6. Step 6: Final answer
    x = 518,088,086.35

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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.