Home / 714,077,055.54-985,372,256.66-400,750,756.02

Finding the Fourth Proportional to 714,077,055.54, 985,372,256.66 and 400,750,756.02

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Solution

The fourth proportional to 714,077,055.54, 985,372,256.66 and 400,750,756.02 is: 553,005,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,077,055.54 : 985,372,256.66 = 400,750,756.02 : x
  2. Step 2: Convert to fraction form
    714,077,055.54/985,372,256.66 = 400,750,756.02/x
  3. Step 3: Cross multiply
    714,077,055.54x = 985,372,256.66 × 400,750,756.02
  4. Step 4: Simplify right side
    714,077,055.54x = 394,888,676,815,624,704
  5. Step 5: Solve for x
    x = 394,888,676,815,624,704/714,077,055.54
  6. Step 6: Final answer
    x = 553,005,692.81

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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.