Home / 368,605,877.12-508,672,671.50-201,342,074.28

Finding the Fourth Proportional to 368,605,877.12, 508,672,671.50 and 201,342,074.28

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Solution

The fourth proportional to 368,605,877.12, 508,672,671.50 and 201,342,074.28 is: 277,850,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,605,877.12 : 508,672,671.50 = 201,342,074.28 : x
  2. Step 2: Convert to fraction form
    368,605,877.12/508,672,671.50 = 201,342,074.28/x
  3. Step 3: Cross multiply
    368,605,877.12x = 508,672,671.50 × 201,342,074.28
  4. Step 4: Simplify right side
    368,605,877.12x = 102,417,210,809,359,040
  5. Step 5: Solve for x
    x = 102,417,210,809,359,040/368,605,877.12
  6. Step 6: Final answer
    x = 277,850,184.08

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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.