Home / 319,007,140,827.65-440,231,180,699.77-172,519,602,233.76

Finding the Fourth Proportional to 319,007,140,827.65, 440,231,180,699.77 and 172,519,602,233.76

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Solution

The fourth proportional to 319,007,140,827.65, 440,231,180,699.77 and 172,519,602,233.76 is: 238,077,768,379.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,007,140,827.65 : 440,231,180,699.77 = 172,519,602,233.76 : x
  2. Step 2: Convert to fraction form
    319,007,140,827.65/440,231,180,699.77 = 172,519,602,233.76/x
  3. Step 3: Cross multiply
    319,007,140,827.65x = 440,231,180,699.77 × 172,519,602,233.76
  4. Step 4: Simplify right side
    319,007,140,827.65x = 75,948,508,185,222,845,562,880
  5. Step 5: Solve for x
    x = 75,948,508,185,222,845,562,880/319,007,140,827.65
  6. Step 6: Final answer
    x = 238,077,768,379.03

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1.5x scale

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.