Home / 1,152,589,969.80-1,590,573,811.32-623,953,568.88

Finding the Fourth Proportional to 1,152,589,969.80, 1,590,573,811.32 and 623,953,568.88

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Solution

The fourth proportional to 1,152,589,969.80, 1,590,573,811.32 and 623,953,568.88 is: 861,055,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,589,969.80 : 1,590,573,811.32 = 623,953,568.88 : x
  2. Step 2: Convert to fraction form
    1,152,589,969.80/1,590,573,811.32 = 623,953,568.88/x
  3. Step 3: Cross multiply
    1,152,589,969.80x = 1,590,573,811.32 × 623,953,568.88
  4. Step 4: Simplify right side
    1,152,589,969.80x = 992,444,206,140,177,664
  5. Step 5: Solve for x
    x = 992,444,206,140,177,664/1,152,589,969.80
  6. Step 6: Final answer
    x = 861,055,737.20

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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.