Home / 435,468,031.20-653,202,046.80-402,211,634.40

Finding the Fourth Proportional to 435,468,031.20, 653,202,046.80 and 402,211,634.40

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Solution

The fourth proportional to 435,468,031.20, 653,202,046.80 and 402,211,634.40 is: 603,317,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,468,031.20 : 653,202,046.80 = 402,211,634.40 : x
  2. Step 2: Convert to fraction form
    435,468,031.20/653,202,046.80 = 402,211,634.40/x
  3. Step 3: Cross multiply
    435,468,031.20x = 653,202,046.80 × 402,211,634.40
  4. Step 4: Simplify right side
    435,468,031.20x = 262,725,462,836,853,248
  5. Step 5: Solve for x
    x = 262,725,462,836,853,248/435,468,031.20
  6. Step 6: Final answer
    x = 603,317,451.60

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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.