Home / 697,615,319.56-1,046,388,196.32-260,883,896.80

Finding the Fourth Proportional to 697,615,319.56, 1,046,388,196.32 and 260,883,896.80

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Solution

The fourth proportional to 697,615,319.56, 1,046,388,196.32 and 260,883,896.80 is: 391,312,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,615,319.56 : 1,046,388,196.32 = 260,883,896.80 : x
  2. Step 2: Convert to fraction form
    697,615,319.56/1,046,388,196.32 = 260,883,896.80/x
  3. Step 3: Cross multiply
    697,615,319.56x = 1,046,388,196.32 × 260,883,896.80
  4. Step 4: Simplify right side
    697,615,319.56x = 272,985,830,221,485,056
  5. Step 5: Solve for x
    x = 272,985,830,221,485,056/697,615,319.56
  6. Step 6: Final answer
    x = 391,312,837.56

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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.