Home / 529,835,183.91-731,159,649.34-291,678,432.71

Finding the Fourth Proportional to 529,835,183.91, 731,159,649.34 and 291,678,432.71

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Solution

The fourth proportional to 529,835,183.91, 731,159,649.34 and 291,678,432.71 is: 402,509,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,835,183.91 : 731,159,649.34 = 291,678,432.71 : x
  2. Step 2: Convert to fraction form
    529,835,183.91/731,159,649.34 = 291,678,432.71/x
  3. Step 3: Cross multiply
    529,835,183.91x = 731,159,649.34 × 291,678,432.71
  4. Step 4: Simplify right side
    529,835,183.91x = 213,263,500,575,899,360
  5. Step 5: Solve for x
    x = 213,263,500,575,899,360/529,835,183.91
  6. Step 6: Final answer
    x = 402,509,133.13

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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.