Home / 688,544,729.64-950,211,640.98-375,299,232.48

Finding the Fourth Proportional to 688,544,729.64, 950,211,640.98 and 375,299,232.48

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Solution

The fourth proportional to 688,544,729.64, 950,211,640.98 and 375,299,232.48 is: 517,923,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,544,729.64 : 950,211,640.98 = 375,299,232.48 : x
  2. Step 2: Convert to fraction form
    688,544,729.64/950,211,640.98 = 375,299,232.48/x
  3. Step 3: Cross multiply
    688,544,729.64x = 950,211,640.98 × 375,299,232.48
  4. Step 4: Simplify right side
    688,544,729.64x = 356,613,699,553,355,328
  5. Step 5: Solve for x
    x = 356,613,699,553,355,328/688,544,729.64
  6. Step 6: Final answer
    x = 517,923,795.22

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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.