Home / 406,533,865.54-609,813,955.17-193,531,980.59

Finding the Fourth Proportional to 406,533,865.54, 609,813,955.17 and 193,531,980.59

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Solution

The fourth proportional to 406,533,865.54, 609,813,955.17 and 193,531,980.59 is: 290,304,234.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,533,865.54 : 609,813,955.17 = 193,531,980.59 : x
  2. Step 2: Convert to fraction form
    406,533,865.54/609,813,955.17 = 193,531,980.59/x
  3. Step 3: Cross multiply
    406,533,865.54x = 609,813,955.17 × 193,531,980.59
  4. Step 4: Simplify right side
    406,533,865.54x = 118,018,502,536,782,000
  5. Step 5: Solve for x
    x = 118,018,502,536,782,000/406,533,865.54
  6. Step 6: Final answer
    x = 290,304,234.26

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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.