Home / 79,875,362,356.80-119,813,043,535.20-56,656,350,772.80

Finding the Fourth Proportional to 79,875,362,356.80, 119,813,043,535.20 and 56,656,350,772.80

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Solution

The fourth proportional to 79,875,362,356.80, 119,813,043,535.20 and 56,656,350,772.80 is: 84,984,526,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,875,362,356.80 : 119,813,043,535.20 = 56,656,350,772.80 : x
  2. Step 2: Convert to fraction form
    79,875,362,356.80/119,813,043,535.20 = 56,656,350,772.80/x
  3. Step 3: Cross multiply
    79,875,362,356.80x = 119,813,043,535.20 × 56,656,350,772.80
  4. Step 4: Simplify right side
    79,875,362,356.80x = 6,788,169,821,687,048,568,832
  5. Step 5: Solve for x
    x = 6,788,169,821,687,048,568,832/79,875,362,356.80
  6. Step 6: Final answer
    x = 84,984,526,159.20

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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.