Home / 752,973,362.40-1,129,460,043.60-344,826,674.40

Finding the Fourth Proportional to 752,973,362.40, 1,129,460,043.60 and 344,826,674.40

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Solution

The fourth proportional to 752,973,362.40, 1,129,460,043.60 and 344,826,674.40 is: 517,240,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,973,362.40 : 1,129,460,043.60 = 344,826,674.40 : x
  2. Step 2: Convert to fraction form
    752,973,362.40/1,129,460,043.60 = 344,826,674.40/x
  3. Step 3: Cross multiply
    752,973,362.40x = 1,129,460,043.60 × 344,826,674.40
  4. Step 4: Simplify right side
    752,973,362.40x = 389,467,950,702,266,944
  5. Step 5: Solve for x
    x = 389,467,950,702,266,944/752,973,362.40
  6. Step 6: Final answer
    x = 517,240,011.60

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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.