Home / 659,575,141.07-987,855,371.06-314,770,905.86

Finding the Fourth Proportional to 659,575,141.07, 987,855,371.06 and 314,770,905.86

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Solution

The fourth proportional to 659,575,141.07, 987,855,371.06 and 314,770,905.86 is: 471,437,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,575,141.07 : 987,855,371.06 = 314,770,905.86 : x
  2. Step 2: Convert to fraction form
    659,575,141.07/987,855,371.06 = 314,770,905.86/x
  3. Step 3: Cross multiply
    659,575,141.07x = 987,855,371.06 × 314,770,905.86
  4. Step 4: Simplify right side
    659,575,141.07x = 310,948,130,000,709,504
  5. Step 5: Solve for x
    x = 310,948,130,000,709,504/659,575,141.07
  6. Step 6: Final answer
    x = 471,437,006.40

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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.