Home / 12,191,736,004.20-18,287,604,006.30-3,911,460,071.40

Finding the Fourth Proportional to 12,191,736,004.20, 18,287,604,006.30 and 3,911,460,071.40

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Solution

The fourth proportional to 12,191,736,004.20, 18,287,604,006.30 and 3,911,460,071.40 is: 5,867,190,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191,736,004.20 : 18,287,604,006.30 = 3,911,460,071.40 : x
  2. Step 2: Convert to fraction form
    12,191,736,004.20/18,287,604,006.30 = 3,911,460,071.40/x
  3. Step 3: Cross multiply
    12,191,736,004.20x = 18,287,604,006.30 × 3,911,460,071.40
  4. Step 4: Simplify right side
    12,191,736,004.20x = 71,531,232,872,217,124,864
  5. Step 5: Solve for x
    x = 71,531,232,872,217,124,864/12,191,736,004.20
  6. Step 6: Final answer
    x = 5,867,190,107.10

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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.