Home / 1,284,450,167.40-1,926,675,251.10-897,029,678.40

Finding the Fourth Proportional to 1,284,450,167.40, 1,926,675,251.10 and 897,029,678.40

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Solution

The fourth proportional to 1,284,450,167.40, 1,926,675,251.10 and 897,029,678.40 is: 1,345,544,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,450,167.40 : 1,926,675,251.10 = 897,029,678.40 : x
  2. Step 2: Convert to fraction form
    1,284,450,167.40/1,926,675,251.10 = 897,029,678.40/x
  3. Step 3: Cross multiply
    1,284,450,167.40x = 1,926,675,251.10 × 897,029,678.40
  4. Step 4: Simplify right side
    1,284,450,167.40x = 1,728,284,880,875,472,128
  5. Step 5: Solve for x
    x = 1,728,284,880,875,472,128/1,284,450,167.40
  6. Step 6: Final answer
    x = 1,345,544,517.60

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Double scale
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1.5x scale

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.