Home / 353,952,305.27-488,429,238.98-197,312,483.51

Finding the Fourth Proportional to 353,952,305.27, 488,429,238.98 and 197,312,483.51

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Solution

The fourth proportional to 353,952,305.27, 488,429,238.98 and 197,312,483.51 is: 272,277,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,952,305.27 : 488,429,238.98 = 197,312,483.51 : x
  2. Step 2: Convert to fraction form
    353,952,305.27/488,429,238.98 = 197,312,483.51/x
  3. Step 3: Cross multiply
    353,952,305.27x = 488,429,238.98 × 197,312,483.51
  4. Step 4: Simplify right side
    353,952,305.27x = 96,373,186,161,056,544
  5. Step 5: Solve for x
    x = 96,373,186,161,056,544/353,952,305.27
  6. Step 6: Final answer
    x = 272,277,323.04

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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.