Home / 13,439,885,577.40-20,159,828,366.10-12,108,307,007.80

Finding the Fourth Proportional to 13,439,885,577.40, 20,159,828,366.10 and 12,108,307,007.80

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Solution

The fourth proportional to 13,439,885,577.40, 20,159,828,366.10 and 12,108,307,007.80 is: 18,162,460,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,885,577.40 : 20,159,828,366.10 = 12,108,307,007.80 : x
  2. Step 2: Convert to fraction form
    13,439,885,577.40/20,159,828,366.10 = 12,108,307,007.80/x
  3. Step 3: Cross multiply
    13,439,885,577.40x = 20,159,828,366.10 × 12,108,307,007.80
  4. Step 4: Simplify right side
    13,439,885,577.40x = 244,101,391,081,293,807,616
  5. Step 5: Solve for x
    x = 244,101,391,081,293,807,616/13,439,885,577.40
  6. Step 6: Final answer
    x = 18,162,460,511.70

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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.