Home / 405,455,119,002.81-559,528,618,306.18-220,056,830,830.10

Finding the Fourth Proportional to 405,455,119,002.81, 559,528,618,306.18 and 220,056,830,830.10

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Solution

The fourth proportional to 405,455,119,002.81, 559,528,618,306.18 and 220,056,830,830.10 is: 303,678,727,268.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,455,119,002.81 : 559,528,618,306.18 = 220,056,830,830.10 : x
  2. Step 2: Convert to fraction form
    405,455,119,002.81/559,528,618,306.18 = 220,056,830,830.10/x
  3. Step 3: Cross multiply
    405,455,119,002.81x = 559,528,618,306.18 × 220,056,830,830.10
  4. Step 4: Simplify right side
    405,455,119,002.81x = 123,128,094,503,202,667,364,352
  5. Step 5: Solve for x
    x = 123,128,094,503,202,667,364,352/405,455,119,002.81
  6. Step 6: Final answer
    x = 303,678,727,268.33

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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.