Home / 1,684,668,149.05-2,324,772,203.15-921,708,475.61

Finding the Fourth Proportional to 1,684,668,149.05, 2,324,772,203.15 and 921,708,475.61

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Solution

The fourth proportional to 1,684,668,149.05, 2,324,772,203.15 and 921,708,475.61 is: 1,271,919,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,668,149.05 : 2,324,772,203.15 = 921,708,475.61 : x
  2. Step 2: Convert to fraction form
    1,684,668,149.05/2,324,772,203.15 = 921,708,475.61/x
  3. Step 3: Cross multiply
    1,684,668,149.05x = 2,324,772,203.15 × 921,708,475.61
  4. Step 4: Simplify right side
    1,684,668,149.05x = 2,142,762,243,501,279,232
  5. Step 5: Solve for x
    x = 2,142,762,243,501,279,232/1,684,668,149.05
  6. Step 6: Final answer
    x = 1,271,919,484.39

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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.