Home / 926,811,334.60-1,389,806,429.10-313,228,947.40

Finding the Fourth Proportional to 926,811,334.60, 1,389,806,429.10 and 313,228,947.40

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Solution

The fourth proportional to 926,811,334.60, 1,389,806,429.10 and 313,228,947.40 is: 469,704,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,811,334.60 : 1,389,806,429.10 = 313,228,947.40 : x
  2. Step 2: Convert to fraction form
    926,811,334.60/1,389,806,429.10 = 313,228,947.40/x
  3. Step 3: Cross multiply
    926,811,334.60x = 1,389,806,429.10 × 313,228,947.40
  4. Step 4: Simplify right side
    926,811,334.60x = 435,327,604,876,745,664
  5. Step 5: Solve for x
    x = 435,327,604,876,745,664/926,811,334.60
  6. Step 6: Final answer
    x = 469,704,662.24

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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.