Home / 389,184,468.66-537,657,923.64-255,539,457.45

Finding the Fourth Proportional to 389,184,468.66, 537,657,923.64 and 255,539,457.45

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Solution

The fourth proportional to 389,184,468.66, 537,657,923.64 and 255,539,457.45 is: 353,027,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,184,468.66 : 537,657,923.64 = 255,539,457.45 : x
  2. Step 2: Convert to fraction form
    389,184,468.66/537,657,923.64 = 255,539,457.45/x
  3. Step 3: Cross multiply
    389,184,468.66x = 537,657,923.64 × 255,539,457.45
  4. Step 4: Simplify right side
    389,184,468.66x = 137,392,814,100,659,120
  5. Step 5: Solve for x
    x = 137,392,814,100,659,120/389,184,468.66
  6. Step 6: Final answer
    x = 353,027,484.82

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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.