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Finding the Fourth Proportional to 7,677,488,124.40, 10,762,995,256.40 and 7,677,488,124.40

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Solution

The fourth proportional to 7,677,488,124.40, 10,762,995,256.40 and 7,677,488,124.40 is: 10,762,995,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677,488,124.40 : 10,762,995,256.40 = 7,677,488,124.40 : x
  2. Step 2: Convert to fraction form
    7,677,488,124.40/10,762,995,256.40 = 7,677,488,124.40/x
  3. Step 3: Cross multiply
    7,677,488,124.40x = 10,762,995,256.40 × 7,677,488,124.40
  4. Step 4: Simplify right side
    7,677,488,124.40x = 82,632,768,263,984,529,408
  5. Step 5: Solve for x
    x = 82,632,768,263,984,529,408/7,677,488,124.40
  6. Step 6: Final answer
    x = 10,762,995,256.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.