Home / 340,495,428.40-510,743,142.60-168,308,544.40

Finding the Fourth Proportional to 340,495,428.40, 510,743,142.60 and 168,308,544.40

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Solution

The fourth proportional to 340,495,428.40, 510,743,142.60 and 168,308,544.40 is: 252,462,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,495,428.40 : 510,743,142.60 = 168,308,544.40 : x
  2. Step 2: Convert to fraction form
    340,495,428.40/510,743,142.60 = 168,308,544.40/x
  3. Step 3: Cross multiply
    340,495,428.40x = 510,743,142.60 × 168,308,544.40
  4. Step 4: Simplify right side
    340,495,428.40x = 85,962,434,893,287,632
  5. Step 5: Solve for x
    x = 85,962,434,893,287,632/340,495,428.40
  6. Step 6: Final answer
    x = 252,462,816.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.