Home / 791,506,188.79-1,187,441,681.73-273,936,635.35

Finding the Fourth Proportional to 791,506,188.79, 1,187,441,681.73 and 273,936,635.35

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Solution

The fourth proportional to 791,506,188.79, 1,187,441,681.73 and 273,936,635.35 is: 410,968,080.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,506,188.79 : 1,187,441,681.73 = 273,936,635.35 : x
  2. Step 2: Convert to fraction form
    791,506,188.79/1,187,441,681.73 = 273,936,635.35/x
  3. Step 3: Cross multiply
    791,506,188.79x = 1,187,441,681.73 × 273,936,635.35
  4. Step 4: Simplify right side
    791,506,188.79x = 325,283,778,967,461,824
  5. Step 5: Solve for x
    x = 325,283,778,967,461,824/791,506,188.79
  6. Step 6: Final answer
    x = 410,968,080.32

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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.