Home / 376,305,603.39-519,316,486.20-257,477,433.60

Finding the Fourth Proportional to 376,305,603.39, 519,316,486.20 and 257,477,433.60

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Solution

The fourth proportional to 376,305,603.39, 519,316,486.20 and 257,477,433.60 is: 355,328,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,305,603.39 : 519,316,486.20 = 257,477,433.60 : x
  2. Step 2: Convert to fraction form
    376,305,603.39/519,316,486.20 = 257,477,433.60/x
  3. Step 3: Cross multiply
    376,305,603.39x = 519,316,486.20 × 257,477,433.60
  4. Step 4: Simplify right side
    376,305,603.39x = 133,712,276,092,945,808
  5. Step 5: Solve for x
    x = 133,712,276,092,945,808/376,305,603.39
  6. Step 6: Final answer
    x = 355,328,953.09

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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.