Home / 547,973,746.71-821,960,604.18-252,781,528.67

Finding the Fourth Proportional to 547,973,746.71, 821,960,604.18 and 252,781,528.67

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Solution

The fourth proportional to 547,973,746.71, 821,960,604.18 and 252,781,528.67 is: 379,172,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,973,746.71 : 821,960,604.18 = 252,781,528.67 : x
  2. Step 2: Convert to fraction form
    547,973,746.71/821,960,604.18 = 252,781,528.67/x
  3. Step 3: Cross multiply
    547,973,746.71x = 821,960,604.18 × 252,781,528.67
  4. Step 4: Simplify right side
    547,973,746.71x = 207,776,458,031,137,152
  5. Step 5: Solve for x
    x = 207,776,458,031,137,152/547,973,746.71
  6. Step 6: Final answer
    x = 379,172,285.68

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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.