Home / 688,525,217.68-950,152,371.24-375,257,238.16

Finding the Fourth Proportional to 688,525,217.68, 950,152,371.24 and 375,257,238.16

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Solution

The fourth proportional to 688,525,217.68, 950,152,371.24 and 375,257,238.16 is: 517,848,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,525,217.68 : 950,152,371.24 = 375,257,238.16 : x
  2. Step 2: Convert to fraction form
    688,525,217.68/950,152,371.24 = 375,257,238.16/x
  3. Step 3: Cross multiply
    688,525,217.68x = 950,152,371.24 × 375,257,238.16
  4. Step 4: Simplify right side
    688,525,217.68x = 356,551,554,662,697,472
  5. Step 5: Solve for x
    x = 356,551,554,662,697,472/688,525,217.68
  6. Step 6: Final answer
    x = 517,848,214.57

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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.