Home / 72,677,606,627.10-109,016,409,940.65-39,617,724,899.10

Finding the Fourth Proportional to 72,677,606,627.10, 109,016,409,940.65 and 39,617,724,899.10

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Solution

The fourth proportional to 72,677,606,627.10, 109,016,409,940.65 and 39,617,724,899.10 is: 59,426,587,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,677,606,627.10 : 109,016,409,940.65 = 39,617,724,899.10 : x
  2. Step 2: Convert to fraction form
    72,677,606,627.10/109,016,409,940.65 = 39,617,724,899.10/x
  3. Step 3: Cross multiply
    72,677,606,627.10x = 109,016,409,940.65 × 39,617,724,899.10
  4. Step 4: Simplify right side
    72,677,606,627.10x = 4,318,982,138,516,181,876,736
  5. Step 5: Solve for x
    x = 4,318,982,138,516,181,876,736/72,677,606,627.10
  6. Step 6: Final answer
    x = 59,426,587,348.65

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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.