Home / 5,128,925,219,430.40-7,693,387,829,145.60-1,778,857,204,326.60

Finding the Fourth Proportional to 5,128,925,219,430.40, 7,693,387,829,145.60 and 1,778,857,204,326.60

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Solution

The fourth proportional to 5,128,925,219,430.40, 7,693,387,829,145.60 and 1,778,857,204,326.60 is: 2,668,285,806,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,925,219,430.40 : 7,693,387,829,145.60 = 1,778,857,204,326.60 : x
  2. Step 2: Convert to fraction form
    5,128,925,219,430.40/7,693,387,829,145.60 = 1,778,857,204,326.60/x
  3. Step 3: Cross multiply
    5,128,925,219,430.40x = 7,693,387,829,145.60 × 1,778,857,204,326.60
  4. Step 4: Simplify right side
    5,128,925,219,430.40x = 13,685,438,365,554,232,457,691,136
  5. Step 5: Solve for x
    x = 13,685,438,365,554,232,457,691,136/5,128,925,219,430.40
  6. Step 6: Final answer
    x = 2,668,285,806,489.90

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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.