Home / 13,250,310,411.20-19,875,465,616.80-3,935,495,998.40

Finding the Fourth Proportional to 13,250,310,411.20, 19,875,465,616.80 and 3,935,495,998.40

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Solution

The fourth proportional to 13,250,310,411.20, 19,875,465,616.80 and 3,935,495,998.40 is: 5,903,243,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250,310,411.20 : 19,875,465,616.80 = 3,935,495,998.40 : x
  2. Step 2: Convert to fraction form
    13,250,310,411.20/19,875,465,616.80 = 3,935,495,998.40/x
  3. Step 3: Cross multiply
    13,250,310,411.20x = 19,875,465,616.80 × 3,935,495,998.40
  4. Step 4: Simplify right side
    13,250,310,411.20x = 78,219,815,401,253,191,680
  5. Step 5: Solve for x
    x = 78,219,815,401,253,191,680/13,250,310,411.20
  6. Step 6: Final answer
    x = 5,903,243,997.60

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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.