Home / 719,300,067.84-992,623,529.66-401,764,947.76

Finding the Fourth Proportional to 719,300,067.84, 992,623,529.66 and 401,764,947.76

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Solution

The fourth proportional to 719,300,067.84, 992,623,529.66 and 401,764,947.76 is: 554,429,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,300,067.84 : 992,623,529.66 = 401,764,947.76 : x
  2. Step 2: Convert to fraction form
    719,300,067.84/992,623,529.66 = 401,764,947.76/x
  3. Step 3: Cross multiply
    719,300,067.84x = 992,623,529.66 × 401,764,947.76
  4. Step 4: Simplify right side
    719,300,067.84x = 398,801,340,539,196,672
  5. Step 5: Solve for x
    x = 398,801,340,539,196,672/719,300,067.84
  6. Step 6: Final answer
    x = 554,429,727.41

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Double scale
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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.