Home / 468,162,444.06-645,819,226.47-289,489,209.66

Finding the Fourth Proportional to 468,162,444.06, 645,819,226.47 and 289,489,209.66

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Solution

The fourth proportional to 468,162,444.06, 645,819,226.47 and 289,489,209.66 is: 399,343,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,162,444.06 : 645,819,226.47 = 289,489,209.66 : x
  2. Step 2: Convert to fraction form
    468,162,444.06/645,819,226.47 = 289,489,209.66/x
  3. Step 3: Cross multiply
    468,162,444.06x = 645,819,226.47 × 289,489,209.66
  4. Step 4: Simplify right side
    468,162,444.06x = 186,957,697,454,032,864
  5. Step 5: Solve for x
    x = 186,957,697,454,032,864/468,162,444.06
  6. Step 6: Final answer
    x = 399,343,646.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.