Home / 406,315,548,376.45-609,070,744,131.23-190,798,293,662.53

Finding the Fourth Proportional to 406,315,548,376.45, 609,070,744,131.23 and 190,798,293,662.53

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Solution

The fourth proportional to 406,315,548,376.45, 609,070,744,131.23 and 190,798,293,662.53 is: 286,008,397,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,315,548,376.45 : 609,070,744,131.23 = 190,798,293,662.53 : x
  2. Step 2: Convert to fraction form
    406,315,548,376.45/609,070,744,131.23 = 190,798,293,662.53/x
  3. Step 3: Cross multiply
    406,315,548,376.45x = 609,070,744,131.23 × 190,798,293,662.53
  4. Step 4: Simplify right side
    406,315,548,376.45x = 116,209,658,700,006,095,323,136
  5. Step 5: Solve for x
    x = 116,209,658,700,006,095,323,136/406,315,548,376.45
  6. Step 6: Final answer
    x = 286,008,397,080.43

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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.