Home / 19,131,919,005.60-28,697,878,508.40-9,336,398,493.60

Finding the Fourth Proportional to 19,131,919,005.60, 28,697,878,508.40 and 9,336,398,493.60

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Solution

The fourth proportional to 19,131,919,005.60, 28,697,878,508.40 and 9,336,398,493.60 is: 14,004,597,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,919,005.60 : 28,697,878,508.40 = 9,336,398,493.60 : x
  2. Step 2: Convert to fraction form
    19,131,919,005.60/28,697,878,508.40 = 9,336,398,493.60/x
  3. Step 3: Cross multiply
    19,131,919,005.60x = 28,697,878,508.40 × 9,336,398,493.60
  4. Step 4: Simplify right side
    19,131,919,005.60x = 267,934,829,675,341,611,008
  5. Step 5: Solve for x
    x = 267,934,829,675,341,611,008/19,131,919,005.60
  6. Step 6: Final answer
    x = 14,004,597,740.40

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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.