Home / 570,175,536.73-786,842,247.41-309,415,152.73

Finding the Fourth Proportional to 570,175,536.73, 786,842,247.41 and 309,415,152.73

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Solution

The fourth proportional to 570,175,536.73, 786,842,247.41 and 309,415,152.73 is: 426,992,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,175,536.73 : 786,842,247.41 = 309,415,152.73 : x
  2. Step 2: Convert to fraction form
    570,175,536.73/786,842,247.41 = 309,415,152.73/x
  3. Step 3: Cross multiply
    570,175,536.73x = 786,842,247.41 × 309,415,152.73
  4. Step 4: Simplify right side
    570,175,536.73x = 243,460,914,156,781,600
  5. Step 5: Solve for x
    x = 243,460,914,156,781,600/570,175,536.73
  6. Step 6: Final answer
    x = 426,992,914.42

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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.