Home / 513,909,851,195.74-770,385,505,355.51-173,712,328,094.74

Finding the Fourth Proportional to 513,909,851,195.74, 770,385,505,355.51 and 173,712,328,094.74

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Solution

The fourth proportional to 513,909,851,195.74, 770,385,505,355.51 and 173,712,328,094.74 is: 260,406,488,325.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,909,851,195.74 : 770,385,505,355.51 = 173,712,328,094.74 : x
  2. Step 2: Convert to fraction form
    513,909,851,195.74/770,385,505,355.51 = 173,712,328,094.74/x
  3. Step 3: Cross multiply
    513,909,851,195.74x = 770,385,505,355.51 × 173,712,328,094.74
  4. Step 4: Simplify right side
    513,909,851,195.74x = 133,825,459,665,748,430,422,016
  5. Step 5: Solve for x
    x = 133,825,459,665,748,430,422,016/513,909,851,195.74
  6. Step 6: Final answer
    x = 260,406,488,325.47

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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.