Home / 374,240,995.20-516,426,355.62-217,596,988.98

Finding the Fourth Proportional to 374,240,995.20, 516,426,355.62 and 217,596,988.98

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Solution

The fourth proportional to 374,240,995.20, 516,426,355.62 and 217,596,988.98 is: 300,268,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,240,995.20 : 516,426,355.62 = 217,596,988.98 : x
  2. Step 2: Convert to fraction form
    374,240,995.20/516,426,355.62 = 217,596,988.98/x
  3. Step 3: Cross multiply
    374,240,995.20x = 516,426,355.62 × 217,596,988.98
  4. Step 4: Simplify right side
    374,240,995.20x = 112,372,820,012,826,704
  5. Step 5: Solve for x
    x = 112,372,820,012,826,704/374,240,995.20
  6. Step 6: Final answer
    x = 300,268,600.86

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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.