Home / 72,677,606,625.60-109,016,409,938.40-39,617,724,897.60

Finding the Fourth Proportional to 72,677,606,625.60, 109,016,409,938.40 and 39,617,724,897.60

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Solution

The fourth proportional to 72,677,606,625.60, 109,016,409,938.40 and 39,617,724,897.60 is: 59,426,587,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,677,606,625.60 : 109,016,409,938.40 = 39,617,724,897.60 : x
  2. Step 2: Convert to fraction form
    72,677,606,625.60/109,016,409,938.40 = 39,617,724,897.60/x
  3. Step 3: Cross multiply
    72,677,606,625.60x = 109,016,409,938.40 × 39,617,724,897.60
  4. Step 4: Simplify right side
    72,677,606,625.60x = 4,318,982,138,263,517,528,064
  5. Step 5: Solve for x
    x = 4,318,982,138,263,517,528,064/72,677,606,625.60
  6. Step 6: Final answer
    x = 59,426,587,346.40

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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.