Home / 772,173,369,759.95-1,065,599,424,204.20-424,943,648,662.88

Finding the Fourth Proportional to 772,173,369,759.95, 1,065,599,424,204.20 and 424,943,648,662.88

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Solution

The fourth proportional to 772,173,369,759.95, 1,065,599,424,204.20 and 424,943,648,662.88 is: 586,422,330,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,173,369,759.95 : 1,065,599,424,204.20 = 424,943,648,662.88 : x
  2. Step 2: Convert to fraction form
    772,173,369,759.95/1,065,599,424,204.20 = 424,943,648,662.88/x
  3. Step 3: Cross multiply
    772,173,369,759.95x = 1,065,599,424,204.20 × 424,943,648,662.88
  4. Step 4: Simplify right side
    772,173,369,759.95x = 452,819,707,334,396,764,749,824
  5. Step 5: Solve for x
    x = 452,819,707,334,396,764,749,824/772,173,369,759.95
  6. Step 6: Final answer
    x = 586,422,330,875.21

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.