Home / 526,109,472.10-789,339,472.99-176,390,145.74

Finding the Fourth Proportional to 526,109,472.10, 789,339,472.99 and 176,390,145.74

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Solution

The fourth proportional to 526,109,472.10, 789,339,472.99 and 176,390,145.74 is: 264,643,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,109,472.10 : 789,339,472.99 = 176,390,145.74 : x
  2. Step 2: Convert to fraction form
    526,109,472.10/789,339,472.99 = 176,390,145.74/x
  3. Step 3: Cross multiply
    526,109,472.10x = 789,339,472.99 × 176,390,145.74
  4. Step 4: Simplify right side
    526,109,472.10x = 139,231,704,679,040,896
  5. Step 5: Solve for x
    x = 139,231,704,679,040,896/526,109,472.10
  6. Step 6: Final answer
    x = 264,643,980.13

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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.