Home / 400,013,765.37-603,018,830.75-373,348,711.98

Finding the Fourth Proportional to 400,013,765.37, 603,018,830.75 and 373,348,711.98

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Solution

The fourth proportional to 400,013,765.37, 603,018,830.75 and 373,348,711.98 is: 562,821,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,013,765.37 : 603,018,830.75 = 373,348,711.98 : x
  2. Step 2: Convert to fraction form
    400,013,765.37/603,018,830.75 = 373,348,711.98/x
  3. Step 3: Cross multiply
    400,013,765.37x = 603,018,830.75 × 373,348,711.98
  4. Step 4: Simplify right side
    400,013,765.37x = 225,136,303,758,331,392
  5. Step 5: Solve for x
    x = 225,136,303,758,331,392/400,013,765.37
  6. Step 6: Final answer
    x = 562,821,390.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.