Home / 529,835,204.16-731,159,677.28-291,678,452.96

Finding the Fourth Proportional to 529,835,204.16, 731,159,677.28 and 291,678,452.96

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Solution

The fourth proportional to 529,835,204.16, 731,159,677.28 and 291,678,452.96 is: 402,509,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,835,204.16 : 731,159,677.28 = 291,678,452.96 : x
  2. Step 2: Convert to fraction form
    529,835,204.16/731,159,677.28 = 291,678,452.96/x
  3. Step 3: Cross multiply
    529,835,204.16x = 731,159,677.28 × 291,678,452.96
  4. Step 4: Simplify right side
    529,835,204.16x = 213,263,523,532,836,640
  5. Step 5: Solve for x
    x = 213,263,523,532,836,640/529,835,204.16
  6. Step 6: Final answer
    x = 402,509,161.07

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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.