Home / 462,241,425.45-693,362,138.18-155,431,569.45

Finding the Fourth Proportional to 462,241,425.45, 693,362,138.18 and 155,431,569.45

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Solution

The fourth proportional to 462,241,425.45, 693,362,138.18 and 155,431,569.45 is: 233,147,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,241,425.45 : 693,362,138.18 = 155,431,569.45 : x
  2. Step 2: Convert to fraction form
    462,241,425.45/693,362,138.18 = 155,431,569.45/x
  3. Step 3: Cross multiply
    462,241,425.45x = 693,362,138.18 × 155,431,569.45
  4. Step 4: Simplify right side
    462,241,425.45x = 107,770,365,333,748,000
  5. Step 5: Solve for x
    x = 107,770,365,333,748,000/462,241,425.45
  6. Step 6: Final answer
    x = 233,147,354.18

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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.