Home / 472,392,513.40-708,588,770.10-355,050,340.60

Finding the Fourth Proportional to 472,392,513.40, 708,588,770.10 and 355,050,340.60

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Solution

The fourth proportional to 472,392,513.40, 708,588,770.10 and 355,050,340.60 is: 532,575,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,513.40 : 708,588,770.10 = 355,050,340.60 : x
  2. Step 2: Convert to fraction form
    472,392,513.40/708,588,770.10 = 355,050,340.60/x
  3. Step 3: Cross multiply
    472,392,513.40x = 708,588,770.10 × 355,050,340.60
  4. Step 4: Simplify right side
    472,392,513.40x = 251,584,684,169,340,128
  5. Step 5: Solve for x
    x = 251,584,684,169,340,128/472,392,513.40
  6. Step 6: Final answer
    x = 532,575,510.90

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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.