Home / 713,132,607.64-983,975,629.07-411,712,695.96

Finding the Fourth Proportional to 713,132,607.64, 983,975,629.07 and 411,712,695.96

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Solution

The fourth proportional to 713,132,607.64, 983,975,629.07 and 411,712,695.96 is: 568,078,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,132,607.64 : 983,975,629.07 = 411,712,695.96 : x
  2. Step 2: Convert to fraction form
    713,132,607.64/983,975,629.07 = 411,712,695.96/x
  3. Step 3: Cross multiply
    713,132,607.64x = 983,975,629.07 × 411,712,695.96
  4. Step 4: Simplify right side
    713,132,607.64x = 405,115,258,996,368,192
  5. Step 5: Solve for x
    x = 405,115,258,996,368,192/713,132,607.64
  6. Step 6: Final answer
    x = 568,078,439.63

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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.