Home / 863,689,526.40-1,294,493,416.12-396,706,546.04

Finding the Fourth Proportional to 863,689,526.40, 1,294,493,416.12 and 396,706,546.04

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Solution

The fourth proportional to 863,689,526.40, 1,294,493,416.12 and 396,706,546.04 is: 594,581,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,689,526.40 : 1,294,493,416.12 = 396,706,546.04 : x
  2. Step 2: Convert to fraction form
    863,689,526.40/1,294,493,416.12 = 396,706,546.04/x
  3. Step 3: Cross multiply
    863,689,526.40x = 1,294,493,416.12 × 396,706,546.04
  4. Step 4: Simplify right side
    863,689,526.40x = 513,534,011,980,485,632
  5. Step 5: Solve for x
    x = 513,534,011,980,485,632/863,689,526.40
  6. Step 6: Final answer
    x = 594,581,729.06

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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.