Home / 472,392,492.40-708,588,738.60-355,050,319.60

Finding the Fourth Proportional to 472,392,492.40, 708,588,738.60 and 355,050,319.60

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Solution

The fourth proportional to 472,392,492.40, 708,588,738.60 and 355,050,319.60 is: 532,575,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,492.40 : 708,588,738.60 = 355,050,319.60 : x
  2. Step 2: Convert to fraction form
    472,392,492.40/708,588,738.60 = 355,050,319.60/x
  3. Step 3: Cross multiply
    472,392,492.40x = 708,588,738.60 × 355,050,319.60
  4. Step 4: Simplify right side
    472,392,492.40x = 251,584,658,104,890,880
  5. Step 5: Solve for x
    x = 251,584,658,104,890,880/472,392,492.40
  6. Step 6: Final answer
    x = 532,575,479.40

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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.