Home / 946,628,320.90-1,420,095,061.44-291,579,042.46

Finding the Fourth Proportional to 946,628,320.90, 1,420,095,061.44 and 291,579,042.46

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Solution

The fourth proportional to 946,628,320.90, 1,420,095,061.44 and 291,579,042.46 is: 437,415,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,628,320.90 : 1,420,095,061.44 = 291,579,042.46 : x
  2. Step 2: Convert to fraction form
    946,628,320.90/1,420,095,061.44 = 291,579,042.46/x
  3. Step 3: Cross multiply
    946,628,320.90x = 1,420,095,061.44 × 291,579,042.46
  4. Step 4: Simplify right side
    946,628,320.90x = 414,069,958,216,850,048
  5. Step 5: Solve for x
    x = 414,069,958,216,850,048/946,628,320.90
  6. Step 6: Final answer
    x = 437,415,561.18

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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.