Home / 731,591,846.61-1,009,597,748.09-397,064,374.19

Finding the Fourth Proportional to 731,591,846.61, 1,009,597,748.09 and 397,064,374.19

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Solution

The fourth proportional to 731,591,846.61, 1,009,597,748.09 and 397,064,374.19 is: 547,949,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,591,846.61 : 1,009,597,748.09 = 397,064,374.19 : x
  2. Step 2: Convert to fraction form
    731,591,846.61/1,009,597,748.09 = 397,064,374.19/x
  3. Step 3: Cross multiply
    731,591,846.61x = 1,009,597,748.09 × 397,064,374.19
  4. Step 4: Simplify right side
    731,591,846.61x = 400,875,298,033,639,296
  5. Step 5: Solve for x
    x = 400,875,298,033,639,296/731,591,846.61
  6. Step 6: Final answer
    x = 547,949,379.01

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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.