Home / 664,308,045.45-996,462,068.18-626,684,647.05

Finding the Fourth Proportional to 664,308,045.45, 996,462,068.18 and 626,684,647.05

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Solution

The fourth proportional to 664,308,045.45, 996,462,068.18 and 626,684,647.05 is: 940,026,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,308,045.45 : 996,462,068.18 = 626,684,647.05 : x
  2. Step 2: Convert to fraction form
    664,308,045.45/996,462,068.18 = 626,684,647.05/x
  3. Step 3: Cross multiply
    664,308,045.45x = 996,462,068.18 × 626,684,647.05
  4. Step 4: Simplify right side
    664,308,045.45x = 624,467,479,492,962,816
  5. Step 5: Solve for x
    x = 624,467,479,492,962,816/664,308,045.45
  6. Step 6: Final answer
    x = 940,026,970.58

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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.