Home / 810,689,091.84-1,118,723,732.64-480,468,188.16

Finding the Fourth Proportional to 810,689,091.84, 1,118,723,732.64 and 480,468,188.16

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Solution

The fourth proportional to 810,689,091.84, 1,118,723,732.64 and 480,468,188.16 is: 663,029,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,689,091.84 : 1,118,723,732.64 = 480,468,188.16 : x
  2. Step 2: Convert to fraction form
    810,689,091.84/1,118,723,732.64 = 480,468,188.16/x
  3. Step 3: Cross multiply
    810,689,091.84x = 1,118,723,732.64 × 480,468,188.16
  4. Step 4: Simplify right side
    810,689,091.84x = 537,511,164,873,133,120
  5. Step 5: Solve for x
    x = 537,511,164,873,133,120/810,689,091.84
  6. Step 6: Final answer
    x = 663,029,970.78

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Double scale
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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.