Home / 517,958,802.49-714,792,766.52-283,024,679.62

Finding the Fourth Proportional to 517,958,802.49, 714,792,766.52 and 283,024,679.62

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Solution

The fourth proportional to 517,958,802.49, 714,792,766.52 and 283,024,679.62 is: 390,579,313.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,958,802.49 : 714,792,766.52 = 283,024,679.62 : x
  2. Step 2: Convert to fraction form
    517,958,802.49/714,792,766.52 = 283,024,679.62/x
  3. Step 3: Cross multiply
    517,958,802.49x = 714,792,766.52 × 283,024,679.62
  4. Step 4: Simplify right side
    517,958,802.49x = 202,303,993,739,016,448
  5. Step 5: Solve for x
    x = 202,303,993,739,016,448/517,958,802.49
  6. Step 6: Final answer
    x = 390,579,313.97

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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.