Home / 681,719,129.60-1,022,578,694.40-473,110,822.40

Finding the Fourth Proportional to 681,719,129.60, 1,022,578,694.40 and 473,110,822.40

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Solution

The fourth proportional to 681,719,129.60, 1,022,578,694.40 and 473,110,822.40 is: 709,666,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,719,129.60 : 1,022,578,694.40 = 473,110,822.40 : x
  2. Step 2: Convert to fraction form
    681,719,129.60/1,022,578,694.40 = 473,110,822.40/x
  3. Step 3: Cross multiply
    681,719,129.60x = 1,022,578,694.40 × 473,110,822.40
  4. Step 4: Simplify right side
    681,719,129.60x = 483,793,047,076,302,208
  5. Step 5: Solve for x
    x = 483,793,047,076,302,208/681,719,129.60
  6. Step 6: Final answer
    x = 709,666,233.60

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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.