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Finding the Fourth Proportional to 7,118,208,031.20, 10,677,312,046.80 and 7,118,208,031.20

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Solution

The fourth proportional to 7,118,208,031.20, 10,677,312,046.80 and 7,118,208,031.20 is: 10,677,312,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,208,031.20 : 10,677,312,046.80 = 7,118,208,031.20 : x
  2. Step 2: Convert to fraction form
    7,118,208,031.20/10,677,312,046.80 = 7,118,208,031.20/x
  3. Step 3: Cross multiply
    7,118,208,031.20x = 10,677,312,046.80 × 7,118,208,031.20
  4. Step 4: Simplify right side
    7,118,208,031.20x = 76,003,328,363,160,256,512
  5. Step 5: Solve for x
    x = 76,003,328,363,160,256,512/7,118,208,031.20
  6. Step 6: Final answer
    x = 10,677,312,046.80

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1.5x scale

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.