Home / 554,898,490.29-765,759,650.40-331,880,168.07

Finding the Fourth Proportional to 554,898,490.29, 765,759,650.40 and 331,880,168.07

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Solution

The fourth proportional to 554,898,490.29, 765,759,650.40 and 331,880,168.07 is: 457,994,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,898,490.29 : 765,759,650.40 = 331,880,168.07 : x
  2. Step 2: Convert to fraction form
    554,898,490.29/765,759,650.40 = 331,880,168.07/x
  3. Step 3: Cross multiply
    554,898,490.29x = 765,759,650.40 × 331,880,168.07
  4. Step 4: Simplify right side
    554,898,490.29x = 254,140,441,475,976,416
  5. Step 5: Solve for x
    x = 254,140,441,475,976,416/554,898,490.29
  6. Step 6: Final answer
    x = 457,994,472.72

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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.