Home / 356,192,885.60-534,289,328.40-320,480,050.40

Finding the Fourth Proportional to 356,192,885.60, 534,289,328.40 and 320,480,050.40

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Solution

The fourth proportional to 356,192,885.60, 534,289,328.40 and 320,480,050.40 is: 480,720,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,192,885.60 : 534,289,328.40 = 320,480,050.40 : x
  2. Step 2: Convert to fraction form
    356,192,885.60/534,289,328.40 = 320,480,050.40/x
  3. Step 3: Cross multiply
    356,192,885.60x = 534,289,328.40 × 320,480,050.40
  4. Step 4: Simplify right side
    356,192,885.60x = 171,229,070,893,814,144
  5. Step 5: Solve for x
    x = 171,229,070,893,814,144/356,192,885.60
  6. Step 6: Final answer
    x = 480,720,075.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.