Home / 1,681,917,746.70-2,522,853,000.45-761,792,609.10

Finding the Fourth Proportional to 1,681,917,746.70, 2,522,853,000.45 and 761,792,609.10

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Solution

The fourth proportional to 1,681,917,746.70, 2,522,853,000.45 and 761,792,609.10 is: 1,142,678,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,917,746.70 : 2,522,853,000.45 = 761,792,609.10 : x
  2. Step 2: Convert to fraction form
    1,681,917,746.70/2,522,853,000.45 = 761,792,609.10/x
  3. Step 3: Cross multiply
    1,681,917,746.70x = 2,522,853,000.45 × 761,792,609.10
  4. Step 4: Simplify right side
    1,681,917,746.70x = 1,921,890,769,588,568,832
  5. Step 5: Solve for x
    x = 1,921,890,769,588,568,832/1,681,917,746.70
  6. Step 6: Final answer
    x = 1,142,678,215.60

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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.