Home / 713,074,040.28-983,806,950.42-430,710,975.72

Finding the Fourth Proportional to 713,074,040.28, 983,806,950.42 and 430,710,975.72

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Solution

The fourth proportional to 713,074,040.28, 983,806,950.42 and 430,710,975.72 is: 594,239,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,074,040.28 : 983,806,950.42 = 430,710,975.72 : x
  2. Step 2: Convert to fraction form
    713,074,040.28/983,806,950.42 = 430,710,975.72/x
  3. Step 3: Cross multiply
    713,074,040.28x = 983,806,950.42 × 430,710,975.72
  4. Step 4: Simplify right side
    713,074,040.28x = 423,736,451,535,515,904
  5. Step 5: Solve for x
    x = 423,736,451,535,515,904/713,074,040.28
  6. Step 6: Final answer
    x = 594,239,065.79

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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.