Home / 1,122,339,810.60-1,683,509,715.90-510,119,778.60

Finding the Fourth Proportional to 1,122,339,810.60, 1,683,509,715.90 and 510,119,778.60

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Solution

The fourth proportional to 1,122,339,810.60, 1,683,509,715.90 and 510,119,778.60 is: 765,179,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,339,810.60 : 1,683,509,715.90 = 510,119,778.60 : x
  2. Step 2: Convert to fraction form
    1,122,339,810.60/1,683,509,715.90 = 510,119,778.60/x
  3. Step 3: Cross multiply
    1,122,339,810.60x = 1,683,509,715.90 × 510,119,778.60
  4. Step 4: Simplify right side
    1,122,339,810.60x = 858,791,603,545,857,024
  5. Step 5: Solve for x
    x = 858,791,603,545,857,024/1,122,339,810.60
  6. Step 6: Final answer
    x = 765,179,667.90

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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.