Home / 1,765,772,516.62-2,436,876,140.28-972,818,331.70

Finding the Fourth Proportional to 1,765,772,516.62, 2,436,876,140.28 and 972,818,331.70

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Solution

The fourth proportional to 1,765,772,516.62, 2,436,876,140.28 and 972,818,331.70 is: 1,342,549,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,772,516.62 : 2,436,876,140.28 = 972,818,331.70 : x
  2. Step 2: Convert to fraction form
    1,765,772,516.62/2,436,876,140.28 = 972,818,331.70/x
  3. Step 3: Cross multiply
    1,765,772,516.62x = 2,436,876,140.28 × 972,818,331.70
  4. Step 4: Simplify right side
    1,765,772,516.62x = 2,370,637,781,346,724,864
  5. Step 5: Solve for x
    x = 2,370,637,781,346,724,864/1,765,772,516.62
  6. Step 6: Final answer
    x = 1,342,549,937.23

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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.