Home / 13,105,156,953.20-19,657,735,429.80-8,461,354,636.40

Finding the Fourth Proportional to 13,105,156,953.20, 19,657,735,429.80 and 8,461,354,636.40

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Solution

The fourth proportional to 13,105,156,953.20, 19,657,735,429.80 and 8,461,354,636.40 is: 12,692,031,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,156,953.20 : 19,657,735,429.80 = 8,461,354,636.40 : x
  2. Step 2: Convert to fraction form
    13,105,156,953.20/19,657,735,429.80 = 8,461,354,636.40/x
  3. Step 3: Cross multiply
    13,105,156,953.20x = 19,657,735,429.80 × 8,461,354,636.40
  4. Step 4: Simplify right side
    13,105,156,953.20x = 166,331,070,820,062,756,864
  5. Step 5: Solve for x
    x = 166,331,070,820,062,756,864/13,105,156,953.20
  6. Step 6: Final answer
    x = 12,692,031,954.60

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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.