Home / 472,355,605.49-708,485,570.24-127,344,108.29

Finding the Fourth Proportional to 472,355,605.49, 708,485,570.24 and 127,344,108.29

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Solution

The fourth proportional to 472,355,605.49, 708,485,570.24 and 127,344,108.29 is: 191,003,265.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,355,605.49 : 708,485,570.24 = 127,344,108.29 : x
  2. Step 2: Convert to fraction form
    472,355,605.49/708,485,570.24 = 127,344,108.29/x
  3. Step 3: Cross multiply
    472,355,605.49x = 708,485,570.24 × 127,344,108.29
  4. Step 4: Simplify right side
    472,355,605.49x = 90,221,463,174,365,808
  5. Step 5: Solve for x
    x = 90,221,463,174,365,808/472,355,605.49
  6. Step 6: Final answer
    x = 191,003,265.60

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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.