Home / 19,132,359,010.40-28,698,538,515.60-17,970,097,543.40

Finding the Fourth Proportional to 19,132,359,010.40, 28,698,538,515.60 and 17,970,097,543.40

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Solution

The fourth proportional to 19,132,359,010.40, 28,698,538,515.60 and 17,970,097,543.40 is: 26,955,146,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,359,010.40 : 28,698,538,515.60 = 17,970,097,543.40 : x
  2. Step 2: Convert to fraction form
    19,132,359,010.40/28,698,538,515.60 = 17,970,097,543.40/x
  3. Step 3: Cross multiply
    19,132,359,010.40x = 28,698,538,515.60 × 17,970,097,543.40
  4. Step 4: Simplify right side
    19,132,359,010.40x = 515,715,536,478,353,883,136
  5. Step 5: Solve for x
    x = 515,715,536,478,353,883,136/19,132,359,010.40
  6. Step 6: Final answer
    x = 26,955,146,315.10

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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.