Home / 13,126,398,582.30-18,114,430,928.13-7,185,951,084.30

Finding the Fourth Proportional to 13,126,398,582.30, 18,114,430,928.13 and 7,185,951,084.30

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Solution

The fourth proportional to 13,126,398,582.30, 18,114,430,928.13 and 7,185,951,084.30 is: 9,916,612,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,398,582.30 : 18,114,430,928.13 = 7,185,951,084.30 : x
  2. Step 2: Convert to fraction form
    13,126,398,582.30/18,114,430,928.13 = 7,185,951,084.30/x
  3. Step 3: Cross multiply
    13,126,398,582.30x = 18,114,430,928.13 × 7,185,951,084.30
  4. Step 4: Simplify right side
    13,126,398,582.30x = 130,169,414,569,473,245,184
  5. Step 5: Solve for x
    x = 130,169,414,569,473,245,184/13,126,398,582.30
  6. Step 6: Final answer
    x = 9,916,612,980.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.