Home / 406,422,820,722.12-609,773,997,529.62-238,870,464,759.24

Finding the Fourth Proportional to 406,422,820,722.12, 609,773,997,529.62 and 238,870,464,759.24

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Solution

The fourth proportional to 406,422,820,722.12, 609,773,997,529.62 and 238,870,464,759.24 is: 358,387,843,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,422,820,722.12 : 609,773,997,529.62 = 238,870,464,759.24 : x
  2. Step 2: Convert to fraction form
    406,422,820,722.12/609,773,997,529.62 = 238,870,464,759.24/x
  3. Step 3: Cross multiply
    406,422,820,722.12x = 609,773,997,529.62 × 238,870,464,759.24
  4. Step 4: Simplify right side
    406,422,820,722.12x = 145,656,998,187,999,984,353,280
  5. Step 5: Solve for x
    x = 145,656,998,187,999,984,353,280/406,422,820,722.12
  6. Step 6: Final answer
    x = 358,387,843,303.68

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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.