Home / 386,291,883,088.80-533,082,824,296.08-215,010,138,794.40

Finding the Fourth Proportional to 386,291,883,088.80, 533,082,824,296.08 and 215,010,138,794.40

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Solution

The fourth proportional to 386,291,883,088.80, 533,082,824,296.08 and 215,010,138,794.40 is: 296,714,005,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,291,883,088.80 : 533,082,824,296.08 = 215,010,138,794.40 : x
  2. Step 2: Convert to fraction form
    386,291,883,088.80/533,082,824,296.08 = 215,010,138,794.40/x
  3. Step 3: Cross multiply
    386,291,883,088.80x = 533,082,824,296.08 × 215,010,138,794.40
  4. Step 4: Simplify right side
    386,291,883,088.80x = 114,618,212,040,810,912,808,960
  5. Step 5: Solve for x
    x = 114,618,212,040,810,912,808,960/386,291,883,088.80
  6. Step 6: Final answer
    x = 296,714,005,803.90

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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.