Home / 517,727,303.32-714,465,860.55-291,668,999.41

Finding the Fourth Proportional to 517,727,303.32, 714,465,860.55 and 291,668,999.41

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Solution

The fourth proportional to 517,727,303.32, 714,465,860.55 and 291,668,999.41 is: 402,504,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,727,303.32 : 714,465,860.55 = 291,668,999.41 : x
  2. Step 2: Convert to fraction form
    517,727,303.32/714,465,860.55 = 291,668,999.41/x
  3. Step 3: Cross multiply
    517,727,303.32x = 714,465,860.55 × 291,668,999.41
  4. Step 4: Simplify right side
    517,727,303.32x = 208,387,542,660,644,704
  5. Step 5: Solve for x
    x = 208,387,542,660,644,704/517,727,303.32
  6. Step 6: Final answer
    x = 402,504,448.43

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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.