Home / 849,904,336.55-1,172,872,637.03-492,883,791.24

Finding the Fourth Proportional to 849,904,336.55, 1,172,872,637.03 and 492,883,791.24

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Solution

The fourth proportional to 849,904,336.55, 1,172,872,637.03 and 492,883,791.24 is: 680,182,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,904,336.55 : 1,172,872,637.03 = 492,883,791.24 : x
  2. Step 2: Convert to fraction form
    849,904,336.55/1,172,872,637.03 = 492,883,791.24/x
  3. Step 3: Cross multiply
    849,904,336.55x = 1,172,872,637.03 × 492,883,791.24
  4. Step 4: Simplify right side
    849,904,336.55x = 578,089,911,978,538,496
  5. Step 5: Solve for x
    x = 578,089,911,978,538,496/849,904,336.55
  6. Step 6: Final answer
    x = 680,182,330.08

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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.