Home / 617,169,707,283.07-851,502,048,869.52-356,652,507,190.95

Finding the Fourth Proportional to 617,169,707,283.07, 851,502,048,869.52 and 356,652,507,190.95

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Solution

The fourth proportional to 617,169,707,283.07, 851,502,048,869.52 and 356,652,507,190.95 is: 492,069,421,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,169,707,283.07 : 851,502,048,869.52 = 356,652,507,190.95 : x
  2. Step 2: Convert to fraction form
    617,169,707,283.07/851,502,048,869.52 = 356,652,507,190.95/x
  3. Step 3: Cross multiply
    617,169,707,283.07x = 851,502,048,869.52 × 356,652,507,190.95
  4. Step 4: Simplify right side
    617,169,707,283.07x = 303,690,340,607,545,160,237,056
  5. Step 5: Solve for x
    x = 303,690,340,607,545,160,237,056/617,169,707,283.07
  6. Step 6: Final answer
    x = 492,069,421,139.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.