Home / 316,762,783,718.73-437,140,926,299.31-172,255,365,096.72

Finding the Fourth Proportional to 316,762,783,718.73, 437,140,926,299.31 and 172,255,365,096.72

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Solution

The fourth proportional to 316,762,783,718.73, 437,140,926,299.31 and 172,255,365,096.72 is: 237,716,909,083.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,762,783,718.73 : 437,140,926,299.31 = 172,255,365,096.72 : x
  2. Step 2: Convert to fraction form
    316,762,783,718.73/437,140,926,299.31 = 172,255,365,096.72/x
  3. Step 3: Cross multiply
    316,762,783,718.73x = 437,140,926,299.31 × 172,255,365,096.72
  4. Step 4: Simplify right side
    316,762,783,718.73x = 75,299,869,858,406,013,599,744
  5. Step 5: Solve for x
    x = 75,299,869,858,406,013,599,744/316,762,783,718.73
  6. Step 6: Final answer
    x = 237,716,909,083.83

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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.