Home / 660,074,426.28-910,909,958.79-362,716,745.40

Finding the Fourth Proportional to 660,074,426.28, 910,909,958.79 and 362,716,745.40

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Solution

The fourth proportional to 660,074,426.28, 910,909,958.79 and 362,716,745.40 is: 500,553,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,074,426.28 : 910,909,958.79 = 362,716,745.40 : x
  2. Step 2: Convert to fraction form
    660,074,426.28/910,909,958.79 = 362,716,745.40/x
  3. Step 3: Cross multiply
    660,074,426.28x = 910,909,958.79 × 362,716,745.40
  4. Step 4: Simplify right side
    660,074,426.28x = 330,402,295,604,756,864
  5. Step 5: Solve for x
    x = 330,402,295,604,756,864/660,074,426.28
  6. Step 6: Final answer
    x = 500,553,092.88

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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.