Home / 402,408,081.60-603,612,122.40-383,276,205.60

Finding the Fourth Proportional to 402,408,081.60, 603,612,122.40 and 383,276,205.60

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Solution

The fourth proportional to 402,408,081.60, 603,612,122.40 and 383,276,205.60 is: 574,914,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,408,081.60 : 603,612,122.40 = 383,276,205.60 : x
  2. Step 2: Convert to fraction form
    402,408,081.60/603,612,122.40 = 383,276,205.60/x
  3. Step 3: Cross multiply
    402,408,081.60x = 603,612,122.40 × 383,276,205.60
  4. Step 4: Simplify right side
    402,408,081.60x = 231,350,163,927,634,784
  5. Step 5: Solve for x
    x = 231,350,163,927,634,784/402,408,081.60
  6. Step 6: Final answer
    x = 574,914,308.40

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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.