Home / 340,155,867.77-509,759,468.69-257,089,425.13

Finding the Fourth Proportional to 340,155,867.77, 509,759,468.69 and 257,089,425.13

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Solution

The fourth proportional to 340,155,867.77, 509,759,468.69 and 257,089,425.13 is: 385,275,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,155,867.77 : 509,759,468.69 = 257,089,425.13 : x
  2. Step 2: Convert to fraction form
    340,155,867.77/509,759,468.69 = 257,089,425.13/x
  3. Step 3: Cross multiply
    340,155,867.77x = 509,759,468.69 × 257,089,425.13
  4. Step 4: Simplify right side
    340,155,867.77x = 131,053,768,759,438,080
  5. Step 5: Solve for x
    x = 131,053,768,759,438,080/340,155,867.77
  6. Step 6: Final answer
    x = 385,275,637.37

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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.