Home / 389,209,129.94-537,108,248.77-219,699,055.24

Finding the Fourth Proportional to 389,209,129.94, 537,108,248.77 and 219,699,055.24

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Solution

The fourth proportional to 389,209,129.94, 537,108,248.77 and 219,699,055.24 is: 303,184,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,209,129.94 : 537,108,248.77 = 219,699,055.24 : x
  2. Step 2: Convert to fraction form
    389,209,129.94/537,108,248.77 = 219,699,055.24/x
  3. Step 3: Cross multiply
    389,209,129.94x = 537,108,248.77 × 219,699,055.24
  4. Step 4: Simplify right side
    389,209,129.94x = 118,002,174,814,487,888
  5. Step 5: Solve for x
    x = 118,002,174,814,487,888/389,209,129.94
  6. Step 6: Final answer
    x = 303,184,498.35

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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.