Home / 713,016,842.60-1,071,225,875.10-638,189,949.80

Finding the Fourth Proportional to 713,016,842.60, 1,071,225,875.10 and 638,189,949.80

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Solution

The fourth proportional to 713,016,842.60, 1,071,225,875.10 and 638,189,949.80 is: 958,807,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,016,842.60 : 1,071,225,875.10 = 638,189,949.80 : x
  2. Step 2: Convert to fraction form
    713,016,842.60/1,071,225,875.10 = 638,189,949.80/x
  3. Step 3: Cross multiply
    713,016,842.60x = 1,071,225,875.10 × 638,189,949.80
  4. Step 4: Simplify right side
    713,016,842.60x = 683,645,587,454,530,048
  5. Step 5: Solve for x
    x = 683,645,587,454,530,048/713,016,842.60
  6. Step 6: Final answer
    x = 958,807,066.83

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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.