Home / 401,727,329.40-602,441,694.90-159,340,078.20

Finding the Fourth Proportional to 401,727,329.40, 602,441,694.90 and 159,340,078.20

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Solution

The fourth proportional to 401,727,329.40, 602,441,694.90 and 159,340,078.20 is: 238,950,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,727,329.40 : 602,441,694.90 = 159,340,078.20 : x
  2. Step 2: Convert to fraction form
    401,727,329.40/602,441,694.90 = 159,340,078.20/x
  3. Step 3: Cross multiply
    401,727,329.40x = 602,441,694.90 × 159,340,078.20
  4. Step 4: Simplify right side
    401,727,329.40x = 95,993,106,776,306,528
  5. Step 5: Solve for x
    x = 95,993,106,776,306,528/401,727,329.40
  6. Step 6: Final answer
    x = 238,950,899.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.