Home / 1,150,912,876.80-1,726,369,315.20-423,807,110.40

Finding the Fourth Proportional to 1,150,912,876.80, 1,726,369,315.20 and 423,807,110.40

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Solution

The fourth proportional to 1,150,912,876.80, 1,726,369,315.20 and 423,807,110.40 is: 635,710,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,912,876.80 : 1,726,369,315.20 = 423,807,110.40 : x
  2. Step 2: Convert to fraction form
    1,150,912,876.80/1,726,369,315.20 = 423,807,110.40/x
  3. Step 3: Cross multiply
    1,150,912,876.80x = 1,726,369,315.20 × 423,807,110.40
  4. Step 4: Simplify right side
    1,150,912,876.80x = 731,647,590,958,138,752
  5. Step 5: Solve for x
    x = 731,647,590,958,138,752/1,150,912,876.80
  6. Step 6: Final answer
    x = 635,710,665.60

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1.5x scale

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.