Home / 697,731,664.88-962,911,976.04-384,465,499.76

Finding the Fourth Proportional to 697,731,664.88, 962,911,976.04 and 384,465,499.76

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Solution

The fourth proportional to 697,731,664.88, 962,911,976.04 and 384,465,499.76 is: 530,585,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,731,664.88 : 962,911,976.04 = 384,465,499.76 : x
  2. Step 2: Convert to fraction form
    697,731,664.88/962,911,976.04 = 384,465,499.76/x
  3. Step 3: Cross multiply
    697,731,664.88x = 962,911,976.04 × 384,465,499.76
  4. Step 4: Simplify right side
    697,731,664.88x = 370,206,434,093,107,712
  5. Step 5: Solve for x
    x = 370,206,434,093,107,712/697,731,664.88
  6. Step 6: Final answer
    x = 530,585,686.06

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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.