Home / 952,697,912.92-1,428,888,366.40-288,554,029.51

Finding the Fourth Proportional to 952,697,912.92, 1,428,888,366.40 and 288,554,029.51

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Solution

The fourth proportional to 952,697,912.92, 1,428,888,366.40 and 288,554,029.51 is: 432,783,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,697,912.92 : 1,428,888,366.40 = 288,554,029.51 : x
  2. Step 2: Convert to fraction form
    952,697,912.92/1,428,888,366.40 = 288,554,029.51/x
  3. Step 3: Cross multiply
    952,697,912.92x = 1,428,888,366.40 × 288,554,029.51
  4. Step 4: Simplify right side
    952,697,912.92x = 412,311,495,844,681,280
  5. Step 5: Solve for x
    x = 412,311,495,844,681,280/952,697,912.92
  6. Step 6: Final answer
    x = 432,783,036.74

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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.