Home / 14,846,395,909.86-20,488,762,454.54-9,209,427,794.91

Finding the Fourth Proportional to 14,846,395,909.86, 20,488,762,454.54 and 9,209,427,794.91

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Solution

The fourth proportional to 14,846,395,909.86, 20,488,762,454.54 and 9,209,427,794.91 is: 12,709,466,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846,395,909.86 : 20,488,762,454.54 = 9,209,427,794.91 : x
  2. Step 2: Convert to fraction form
    14,846,395,909.86/20,488,762,454.54 = 9,209,427,794.91/x
  3. Step 3: Cross multiply
    14,846,395,909.86x = 20,488,762,454.54 × 9,209,427,794.91
  4. Step 4: Simplify right side
    14,846,395,909.86x = 188,689,778,432,030,310,400
  5. Step 5: Solve for x
    x = 188,689,778,432,030,310,400/14,846,395,909.86
  6. Step 6: Final answer
    x = 12,709,466,969.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.