Home / 752,973,365.40-1,129,460,048.10-344,826,677.40

Finding the Fourth Proportional to 752,973,365.40, 1,129,460,048.10 and 344,826,677.40

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Solution

The fourth proportional to 752,973,365.40, 1,129,460,048.10 and 344,826,677.40 is: 517,240,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,973,365.40 : 1,129,460,048.10 = 344,826,677.40 : x
  2. Step 2: Convert to fraction form
    752,973,365.40/1,129,460,048.10 = 344,826,677.40/x
  3. Step 3: Cross multiply
    752,973,365.40x = 1,129,460,048.10 × 344,826,677.40
  4. Step 4: Simplify right side
    752,973,365.40x = 389,467,955,642,367,104
  5. Step 5: Solve for x
    x = 389,467,955,642,367,104/752,973,365.40
  6. Step 6: Final answer
    x = 517,240,016.10

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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.