Home / 913,624,388.98-1,260,765,336.08-517,229,605.28

Finding the Fourth Proportional to 913,624,388.98, 1,260,765,336.08 and 517,229,605.28

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Solution

The fourth proportional to 913,624,388.98, 1,260,765,336.08 and 517,229,605.28 is: 713,756,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,624,388.98 : 1,260,765,336.08 = 517,229,605.28 : x
  2. Step 2: Convert to fraction form
    913,624,388.98/1,260,765,336.08 = 517,229,605.28/x
  3. Step 3: Cross multiply
    913,624,388.98x = 1,260,765,336.08 × 517,229,605.28
  4. Step 4: Simplify right side
    913,624,388.98x = 652,105,157,135,835,136
  5. Step 5: Solve for x
    x = 652,105,157,135,835,136/913,624,388.98
  6. Step 6: Final answer
    x = 713,756,293.07

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1.5x scale

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.