Home / 429,661,239.12-592,463,307.96-290,189,859.84

Finding the Fourth Proportional to 429,661,239.12, 592,463,307.96 and 290,189,859.84

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Solution

The fourth proportional to 429,661,239.12, 592,463,307.96 and 290,189,859.84 is: 400,145,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,661,239.12 : 592,463,307.96 = 290,189,859.84 : x
  2. Step 2: Convert to fraction form
    429,661,239.12/592,463,307.96 = 290,189,859.84/x
  3. Step 3: Cross multiply
    429,661,239.12x = 592,463,307.96 × 290,189,859.84
  4. Step 4: Simplify right side
    429,661,239.12x = 171,926,844,297,255,136
  5. Step 5: Solve for x
    x = 171,926,844,297,255,136/429,661,239.12
  6. Step 6: Final answer
    x = 400,145,111.18

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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.