Home / 20,155,463,999.70-30,233,195,999.55-17,706,583,871.70

Finding the Fourth Proportional to 20,155,463,999.70, 30,233,195,999.55 and 17,706,583,871.70

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Solution

The fourth proportional to 20,155,463,999.70, 30,233,195,999.55 and 17,706,583,871.70 is: 26,559,875,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,463,999.70 : 30,233,195,999.55 = 17,706,583,871.70 : x
  2. Step 2: Convert to fraction form
    20,155,463,999.70/30,233,195,999.55 = 17,706,583,871.70/x
  3. Step 3: Cross multiply
    20,155,463,999.70x = 30,233,195,999.55 × 17,706,583,871.70
  4. Step 4: Simplify right side
    20,155,463,999.70x = 535,326,620,675,577,020,416
  5. Step 5: Solve for x
    x = 535,326,620,675,577,020,416/20,155,463,999.70
  6. Step 6: Final answer
    x = 26,559,875,807.55

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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.