Home / 570,183,281.62-786,852,928.41-309,422,897.62

Finding the Fourth Proportional to 570,183,281.62, 786,852,928.41 and 309,422,897.62

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Solution

The fourth proportional to 570,183,281.62, 786,852,928.41 and 309,422,897.62 is: 427,003,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,183,281.62 : 786,852,928.41 = 309,422,897.62 : x
  2. Step 2: Convert to fraction form
    570,183,281.62/786,852,928.41 = 309,422,897.62/x
  3. Step 3: Cross multiply
    570,183,281.62x = 786,852,928.41 × 309,422,897.62
  4. Step 4: Simplify right side
    570,183,281.62x = 243,470,313,109,404,608
  5. Step 5: Solve for x
    x = 243,470,313,109,404,608/570,183,281.62
  6. Step 6: Final answer
    x = 427,003,598.59

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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.