Home / 713,132,609.14-983,975,631.13-411,712,697.46

Finding the Fourth Proportional to 713,132,609.14, 983,975,631.13 and 411,712,697.46

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Solution

The fourth proportional to 713,132,609.14, 983,975,631.13 and 411,712,697.46 is: 568,078,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,132,609.14 : 983,975,631.13 = 411,712,697.46 : x
  2. Step 2: Convert to fraction form
    713,132,609.14/983,975,631.13 = 411,712,697.46/x
  3. Step 3: Cross multiply
    713,132,609.14x = 983,975,631.13 × 411,712,697.46
  4. Step 4: Simplify right side
    713,132,609.14x = 405,115,261,327,438,208
  5. Step 5: Solve for x
    x = 405,115,261,327,438,208/713,132,609.14
  6. Step 6: Final answer
    x = 568,078,441.70

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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.