Home / 19,131,919,215.60-28,697,878,823.40-13,139,815,652.40

Finding the Fourth Proportional to 19,131,919,215.60, 28,697,878,823.40 and 13,139,815,652.40

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Solution

The fourth proportional to 19,131,919,215.60, 28,697,878,823.40 and 13,139,815,652.40 is: 19,709,723,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131,919,215.60 : 28,697,878,823.40 = 13,139,815,652.40 : x
  2. Step 2: Convert to fraction form
    19,131,919,215.60/28,697,878,823.40 = 13,139,815,652.40/x
  3. Step 3: Cross multiply
    19,131,919,215.60x = 28,697,878,823.40 × 13,139,815,652.40
  4. Step 4: Simplify right side
    19,131,919,215.60x = 377,084,837,354,389,831,680
  5. Step 5: Solve for x
    x = 377,084,837,354,389,831,680/19,131,919,215.60
  6. Step 6: Final answer
    x = 19,709,723,478.60

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Double scale
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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.