Home / 713,355,765.20-1,070,033,647.80-325,935,276.20

Finding the Fourth Proportional to 713,355,765.20, 1,070,033,647.80 and 325,935,276.20

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Solution

The fourth proportional to 713,355,765.20, 1,070,033,647.80 and 325,935,276.20 is: 488,902,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,355,765.20 : 1,070,033,647.80 = 325,935,276.20 : x
  2. Step 2: Convert to fraction form
    713,355,765.20/1,070,033,647.80 = 325,935,276.20/x
  3. Step 3: Cross multiply
    713,355,765.20x = 1,070,033,647.80 × 325,935,276.20
  4. Step 4: Simplify right side
    713,355,765.20x = 348,761,712,538,986,496
  5. Step 5: Solve for x
    x = 348,761,712,538,986,496/713,355,765.20
  6. Step 6: Final answer
    x = 488,902,914.30

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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.