Home / 726,964,580.20-1,090,446,870.30-436,726,935.40

Finding the Fourth Proportional to 726,964,580.20, 1,090,446,870.30 and 436,726,935.40

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Solution

The fourth proportional to 726,964,580.20, 1,090,446,870.30 and 436,726,935.40 is: 655,090,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,964,580.20 : 1,090,446,870.30 = 436,726,935.40 : x
  2. Step 2: Convert to fraction form
    726,964,580.20/1,090,446,870.30 = 436,726,935.40/x
  3. Step 3: Cross multiply
    726,964,580.20x = 1,090,446,870.30 × 436,726,935.40
  4. Step 4: Simplify right side
    726,964,580.20x = 476,227,519,882,640,256
  5. Step 5: Solve for x
    x = 476,227,519,882,640,256/726,964,580.20
  6. Step 6: Final answer
    x = 655,090,403.10

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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.