Home / 383,218,812.91-574,819,969.78-106,862,669.47

Finding the Fourth Proportional to 383,218,812.91, 574,819,969.78 and 106,862,669.47

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Solution

The fourth proportional to 383,218,812.91, 574,819,969.78 and 106,862,669.47 is: 160,291,703.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,218,812.91 : 574,819,969.78 = 106,862,669.47 : x
  2. Step 2: Convert to fraction form
    383,218,812.91/574,819,969.78 = 106,862,669.47/x
  3. Step 3: Cross multiply
    383,218,812.91x = 574,819,969.78 × 106,862,669.47
  4. Step 4: Simplify right side
    383,218,812.91x = 61,426,796,435,355,528
  5. Step 5: Solve for x
    x = 61,426,796,435,355,528/383,218,812.91
  6. Step 6: Final answer
    x = 160,291,703.76

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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.