Home / 746,496,007.40-1,119,744,011.10-515,978,042.60

Finding the Fourth Proportional to 746,496,007.40, 1,119,744,011.10 and 515,978,042.60

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Solution

The fourth proportional to 746,496,007.40, 1,119,744,011.10 and 515,978,042.60 is: 773,967,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,496,007.40 : 1,119,744,011.10 = 515,978,042.60 : x
  2. Step 2: Convert to fraction form
    746,496,007.40/1,119,744,011.10 = 515,978,042.60/x
  3. Step 3: Cross multiply
    746,496,007.40x = 1,119,744,011.10 × 515,978,042.60
  4. Step 4: Simplify right side
    746,496,007.40x = 577,763,323,060,450,688
  5. Step 5: Solve for x
    x = 577,763,323,060,450,688/746,496,007.40
  6. Step 6: Final answer
    x = 773,967,063.90

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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.