Home / 302,288,489,332.67-453,434,429,200.20-100,829,671,420.51

Finding the Fourth Proportional to 302,288,489,332.67, 453,434,429,200.20 and 100,829,671,420.51

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Solution

The fourth proportional to 302,288,489,332.67, 453,434,429,200.20 and 100,829,671,420.51 is: 151,245,072,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,288,489,332.67 : 453,434,429,200.20 = 100,829,671,420.51 : x
  2. Step 2: Convert to fraction form
    302,288,489,332.67/453,434,429,200.20 = 100,829,671,420.51/x
  3. Step 3: Cross multiply
    302,288,489,332.67x = 453,434,429,200.20 × 100,829,671,420.51
  4. Step 4: Simplify right side
    302,288,489,332.67x = 45,719,644,507,002,671,988,736
  5. Step 5: Solve for x
    x = 45,719,644,507,002,671,988,736/302,288,489,332.67
  6. Step 6: Final answer
    x = 151,245,072,572.67

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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.