Home / 713,127,905.20-1,069,691,857.80-195,610,659.40

Finding the Fourth Proportional to 713,127,905.20, 1,069,691,857.80 and 195,610,659.40

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Solution

The fourth proportional to 713,127,905.20, 1,069,691,857.80 and 195,610,659.40 is: 293,415,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,127,905.20 : 1,069,691,857.80 = 195,610,659.40 : x
  2. Step 2: Convert to fraction form
    713,127,905.20/1,069,691,857.80 = 195,610,659.40/x
  3. Step 3: Cross multiply
    713,127,905.20x = 1,069,691,857.80 × 195,610,659.40
  4. Step 4: Simplify right side
    713,127,905.20x = 209,243,129,659,069,024
  5. Step 5: Solve for x
    x = 209,243,129,659,069,024/713,127,905.20
  6. Step 6: Final answer
    x = 293,415,989.10

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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.