Home / 570,159,007.02-786,819,429.86-309,398,623.02

Finding the Fourth Proportional to 570,159,007.02, 786,819,429.86 and 309,398,623.02

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Solution

The fourth proportional to 570,159,007.02, 786,819,429.86 and 309,398,623.02 is: 426,970,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,159,007.02 : 786,819,429.86 = 309,398,623.02 : x
  2. Step 2: Convert to fraction form
    570,159,007.02/786,819,429.86 = 309,398,623.02/x
  3. Step 3: Cross multiply
    570,159,007.02x = 786,819,429.86 × 309,398,623.02
  4. Step 4: Simplify right side
    570,159,007.02x = 243,440,848,162,518,464
  5. Step 5: Solve for x
    x = 243,440,848,162,518,464/570,159,007.02
  6. Step 6: Final answer
    x = 426,970,099.86

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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.