Home / 719,300,064.84-992,623,525.52-401,764,944.76

Finding the Fourth Proportional to 719,300,064.84, 992,623,525.52 and 401,764,944.76

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Solution

The fourth proportional to 719,300,064.84, 992,623,525.52 and 401,764,944.76 is: 554,429,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,300,064.84 : 992,623,525.52 = 401,764,944.76 : x
  2. Step 2: Convert to fraction form
    719,300,064.84/992,623,525.52 = 401,764,944.76/x
  3. Step 3: Cross multiply
    719,300,064.84x = 992,623,525.52 × 401,764,944.76
  4. Step 4: Simplify right side
    719,300,064.84x = 398,801,335,893,528,832
  5. Step 5: Solve for x
    x = 398,801,335,893,528,832/719,300,064.84
  6. Step 6: Final answer
    x = 554,429,723.26

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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.