Home / 320,536,237.56-442,335,666.96-179,407,416

Finding the Fourth Proportional to 320,536,237.56, 442,335,666.96 and 179,407,416

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Solution

The fourth proportional to 320,536,237.56, 442,335,666.96 and 179,407,416 is: 247,579,804.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,536,237.56 : 442,335,666.96 = 179,407,416 : x
  2. Step 2: Convert to fraction form
    320,536,237.56/442,335,666.96 = 179,407,416/x
  3. Step 3: Cross multiply
    320,536,237.56x = 442,335,666.96 × 179,407,416
  4. Step 4: Simplify right side
    320,536,237.56x = 79,358,299,013,930,176
  5. Step 5: Solve for x
    x = 79,358,299,013,930,176/320,536,237.56
  6. Step 6: Final answer
    x = 247,579,804.45

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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.