Home / 545,360,455.14-752,615,999.73-322,533,148.74

Finding the Fourth Proportional to 545,360,455.14, 752,615,999.73 and 322,533,148.74

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Solution

The fourth proportional to 545,360,455.14, 752,615,999.73 and 322,533,148.74 is: 445,106,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,360,455.14 : 752,615,999.73 = 322,533,148.74 : x
  2. Step 2: Convert to fraction form
    545,360,455.14/752,615,999.73 = 322,533,148.74/x
  3. Step 3: Cross multiply
    545,360,455.14x = 752,615,999.73 × 322,533,148.74
  4. Step 4: Simplify right side
    545,360,455.14x = 242,743,608,185,019,904
  5. Step 5: Solve for x
    x = 242,743,608,185,019,904/545,360,455.14
  6. Step 6: Final answer
    x = 445,106,728.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.