Home / 870,372,103.54-1,201,142,981.74-473,910,469.06

Finding the Fourth Proportional to 870,372,103.54, 1,201,142,981.74 and 473,910,469.06

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Solution

The fourth proportional to 870,372,103.54, 1,201,142,981.74 and 473,910,469.06 is: 654,012,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,372,103.54 : 1,201,142,981.74 = 473,910,469.06 : x
  2. Step 2: Convert to fraction form
    870,372,103.54/1,201,142,981.74 = 473,910,469.06/x
  3. Step 3: Cross multiply
    870,372,103.54x = 1,201,142,981.74 × 473,910,469.06
  4. Step 4: Simplify right side
    870,372,103.54x = 569,234,233,884,530,432
  5. Step 5: Solve for x
    x = 569,234,233,884,530,432/870,372,103.54
  6. Step 6: Final answer
    x = 654,012,498.30

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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.