Home / 374,814,485.44-517,249,272.42-215,956,812.40

Finding the Fourth Proportional to 374,814,485.44, 517,249,272.42 and 215,956,812.40

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Solution

The fourth proportional to 374,814,485.44, 517,249,272.42 and 215,956,812.40 is: 298,023,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,814,485.44 : 517,249,272.42 = 215,956,812.40 : x
  2. Step 2: Convert to fraction form
    374,814,485.44/517,249,272.42 = 215,956,812.40/x
  3. Step 3: Cross multiply
    374,814,485.44x = 517,249,272.42 × 215,956,812.40
  4. Step 4: Simplify right side
    374,814,485.44x = 111,703,504,088,042,448
  5. Step 5: Solve for x
    x = 111,703,504,088,042,448/374,814,485.44
  6. Step 6: Final answer
    x = 298,023,444.74

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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.