Home / 570,183,283.12-786,852,930.48-309,422,899.12

Finding the Fourth Proportional to 570,183,283.12, 786,852,930.48 and 309,422,899.12

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Solution

The fourth proportional to 570,183,283.12, 786,852,930.48 and 309,422,899.12 is: 427,003,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,183,283.12 : 786,852,930.48 = 309,422,899.12 : x
  2. Step 2: Convert to fraction form
    570,183,283.12/786,852,930.48 = 309,422,899.12/x
  3. Step 3: Cross multiply
    570,183,283.12x = 786,852,930.48 × 309,422,899.12
  4. Step 4: Simplify right side
    570,183,283.12x = 243,470,314,930,189,408
  5. Step 5: Solve for x
    x = 243,470,314,930,189,408/570,183,283.12
  6. Step 6: Final answer
    x = 427,003,600.66

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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.